20199451696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{5519}}^1$

素因数の和:5762

約数の個数: 80

約数和(自身を含む): 41528770560

約数和(自身を除く): 21329318864

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 157, 188, 248, 314, 376, 496, 628, 752, 1256, 1457, 2512, 2914, 4867, 5519, 5828, 7379, 9734, 11038, 11656, 14758, 19468, 22076, 23312, 29516, 38936, 44152, 59032, 77872, 88304, 118064, 171089, 228749, 259393, 342178, 457498, 518786, 684356, 866483, 914996, 1037572, 1368712, 1732966, 1829992, 2075144, 2737424, 3465932, 3659984, 4150288, 6931864, 8041183, 13863728, 16082366, 26860973, 32164732, 40724701, 53721946, 64329464, 81449402, 107443892, 128658928, 162898804, 214887784, 325797608, 429775568, 651595216, 1262465731, 2524931462, 5049862924, 10099725848, 20199451696]

約数ペア:

[(1, 20199451696), (2, 10099725848), (4, 5049862924), (8, 2524931462), (16, 1262465731), (31, 651595216), (47, 429775568), (62, 325797608), (94, 214887784), (124, 162898804), (157, 128658928), (188, 107443892), (248, 81449402), (314, 64329464), (376, 53721946), (496, 40724701), (628, 32164732), (752, 26860973), (1256, 16082366), (1457, 13863728), (2512, 8041183), (2914, 6931864), (4867, 4150288), (5519, 3659984), (5828, 3465932), (7379, 2737424), (9734, 2075144), (11038, 1829992), (11656, 1732966), (14758, 1368712), (19468, 1037572), (22076, 914996), (23312, 866483), (29516, 684356), (38936, 518786), (44152, 457498), (59032, 342178), (77872, 259393), (88304, 228749), (118064, 171089)]