20123176830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{55949}}^1$

素因数の和:56609

約数の個数: 64

約数和(自身を含む): 50918976000

約数和(自身を除く): 30795799170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 631, 1262, 1893, 3155, 3786, 6310, 9465, 11989, 18930, 23978, 35967, 55949, 59945, 71934, 111898, 119890, 167847, 179835, 279745, 335694, 359670, 559490, 839235, 1063031, 1678470, 2126062, 3189093, 5315155, 6378186, 10630310, 15945465, 31890930, 35303819, 70607638, 105911457, 176519095, 211822914, 353038190, 529557285, 670772561, 1059114570, 1341545122, 2012317683, 3353862805, 4024635366, 6707725610, 10061588415, 20123176830]

約数ペア:

[(1, 20123176830), (2, 10061588415), (3, 6707725610), (5, 4024635366), (6, 3353862805), (10, 2012317683), (15, 1341545122), (19, 1059114570), (30, 670772561), (38, 529557285), (57, 353038190), (95, 211822914), (114, 176519095), (190, 105911457), (285, 70607638), (570, 35303819), (631, 31890930), (1262, 15945465), (1893, 10630310), (3155, 6378186), (3786, 5315155), (6310, 3189093), (9465, 2126062), (11989, 1678470), (18930, 1063031), (23978, 839235), (35967, 559490), (55949, 359670), (59945, 335694), (71934, 279745), (111898, 179835), (119890, 167847)]