20623360

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 104

約数和(自身を含む): 53077680

約数和(自身を除く): 32454320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 190, 212, 256, 265, 304, 320, 380, 424, 512, 530, 608, 640, 760, 848, 1007, 1024, 1060, 1216, 1280, 1520, 1696, 2014, 2048, 2120, 2432, 2560, 3040, 3392, 4028, 4096, 4240, 4864, 5035, 5120, 6080, 6784, 8056, 8480, 9728, 10070, 10240, 12160, 13568, 16112, 16960, 19456, 20140, 20480, 24320, 27136, 32224, 33920, 38912, 40280, 48640, 54272, 64448, 67840, 77824, 80560, 97280, 108544, 128896, 135680, 161120, 194560, 217088, 257792, 271360, 322240, 389120, 515584, 542720, 644480, 1031168, 1085440, 1288960, 2062336, 2577920, 4124672, 5155840, 10311680, 20623360]

約数ペア:

[(1, 20623360), (2, 10311680), (4, 5155840), (5, 4124672), (8, 2577920), (10, 2062336), (16, 1288960), (19, 1085440), (20, 1031168), (32, 644480), (38, 542720), (40, 515584), (53, 389120), (64, 322240), (76, 271360), (80, 257792), (95, 217088), (106, 194560), (128, 161120), (152, 135680), (160, 128896), (190, 108544), (212, 97280), (256, 80560), (265, 77824), (304, 67840), (320, 64448), (380, 54272), (424, 48640), (512, 40280), (530, 38912), (608, 33920), (640, 32224), (760, 27136), (848, 24320), (1007, 20480), (1024, 20140), (1060, 19456), (1216, 16960), (1280, 16112), (1520, 13568), (1696, 12160), (2014, 10240), (2048, 10070), (2120, 9728), (2432, 8480), (2560, 8056), (3040, 6784), (3392, 6080), (4028, 5120), (4096, 5035), (4240, 4864)]