20291215360

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:816

約数の個数: 224

約数和(自身を含む): 53505567360

約数和(自身を除く): 33214352000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 160, 208, 212, 256, 260, 265, 320, 416, 424, 512, 520, 530, 640, 689, 719, 832, 848, 1024, 1040, 1060, 1280, 1378, 1438, 1664, 1696, 2048, 2080, 2120, 2560, 2756, 2876, 3328, 3392, 3445, 3595, 4096, 4160, 4240, 5120, 5512, 5752, 6656, 6784, 6890, 7190, 8192, 8320, 8480, 9347, 10240, 11024, 11504, 13312, 13568, 13780, 14380, 16640, 16960, 18694, 20480, 22048, 23008, 26624, 27136, 27560, 28760, 33280, 33920, 37388, 38107, 40960, 44096, 46016, 46735, 53248, 54272, 55120, 57520, 66560, 67840, 74776, 76214, 88192, 92032, 93470, 106496, 108544, 110240, 115040, 133120, 135680, 149552, 152428, 176384, 184064, 186940, 190535, 217088, 220480, 230080, 266240, 271360, 299104, 304856, 352768, 368128, 373880, 381070, 434176, 440960, 460160, 495391, 532480, 542720, 598208, 609712, 705536, 736256, 747760, 762140, 881920, 920320, 990782, 1085440, 1196416, 1219424, 1411072, 1472512, 1495520, 1524280, 1763840, 1840640, 1981564, 2170880, 2392832, 2438848, 2476955, 2822144, 2945024, 2991040, 3048560, 3527680, 3681280, 3963128, 4785664, 4877696, 4953910, 5644288, 5890048, 5982080, 6097120, 7055360, 7362560, 7926256, 9571328, 9755392, 9907820, 11964160, 12194240, 14110720, 14725120, 15852512, 19142656, 19510784, 19815640, 23928320, 24388480, 28221440, 29450240, 31705024, 38285312, 39021568, 39631280, 47856640, 48776960, 63410048, 76570624, 78043136, 79262560, 95713280, 97553920, 126820096, 156086272, 158525120, 191426560, 195107840, 253640192, 312172544, 317050240, 382853120, 390215680, 507280384, 634100480, 780431360, 1014560768, 1268200960, 1560862720, 2029121536, 2536401920, 4058243072, 5072803840, 10145607680, 20291215360]

約数ペア:

[(1, 20291215360), (2, 10145607680), (4, 5072803840), (5, 4058243072), (8, 2536401920), (10, 2029121536), (13, 1560862720), (16, 1268200960), (20, 1014560768), (26, 780431360), (32, 634100480), (40, 507280384), (52, 390215680), (53, 382853120), (64, 317050240), (65, 312172544), (80, 253640192), (104, 195107840), (106, 191426560), (128, 158525120), (130, 156086272), (160, 126820096), (208, 97553920), (212, 95713280), (256, 79262560), (260, 78043136), (265, 76570624), (320, 63410048), (416, 48776960), (424, 47856640), (512, 39631280), (520, 39021568), (530, 38285312), (640, 31705024), (689, 29450240), (719, 28221440), (832, 24388480), (848, 23928320), (1024, 19815640), (1040, 19510784), (1060, 19142656), (1280, 15852512), (1378, 14725120), (1438, 14110720), (1664, 12194240), (1696, 11964160), (2048, 9907820), (2080, 9755392), (2120, 9571328), (2560, 7926256), (2756, 7362560), (2876, 7055360), (3328, 6097120), (3392, 5982080), (3445, 5890048), (3595, 5644288), (4096, 4953910), (4160, 4877696), (4240, 4785664), (5120, 3963128), (5512, 3681280), (5752, 3527680), (6656, 3048560), (6784, 2991040), (6890, 2945024), (7190, 2822144), (8192, 2476955), (8320, 2438848), (8480, 2392832), (9347, 2170880), (10240, 1981564), (11024, 1840640), (11504, 1763840), (13312, 1524280), (13568, 1495520), (13780, 1472512), (14380, 1411072), (16640, 1219424), (16960, 1196416), (18694, 1085440), (20480, 990782), (22048, 920320), (23008, 881920), (26624, 762140), (27136, 747760), (27560, 736256), (28760, 705536), (33280, 609712), (33920, 598208), (37388, 542720), (38107, 532480), (40960, 495391), (44096, 460160), (46016, 440960), (46735, 434176), (53248, 381070), (54272, 373880), (55120, 368128), (57520, 352768), (66560, 304856), (67840, 299104), (74776, 271360), (76214, 266240), (88192, 230080), (92032, 220480), (93470, 217088), (106496, 190535), (108544, 186940), (110240, 184064), (115040, 176384), (133120, 152428), (135680, 149552)]