20305536894

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{857}}^1\times {\mathrm{7193}}^1$

素因数の和:8122

約数の個数: 64

約数和(自身を含む): 45923042880

約数和(自身を除く): 25617505986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 857, 1098, 1647, 1714, 2571, 3294, 5142, 7193, 7713, 14386, 15426, 21579, 23139, 43158, 46278, 52277, 64737, 104554, 129474, 156831, 194211, 313662, 388422, 438773, 470493, 877546, 940986, 1316319, 1411479, 2632638, 2822958, 3948957, 6164401, 7897914, 11846871, 12328802, 18493203, 23693742, 36986406, 55479609, 110959218, 166438827, 332877654, 376028461, 752056922, 1128085383, 2256170766, 3384256149, 6768512298, 10152768447, 20305536894]

約数ペア:

[(1, 20305536894), (2, 10152768447), (3, 6768512298), (6, 3384256149), (9, 2256170766), (18, 1128085383), (27, 752056922), (54, 376028461), (61, 332877654), (122, 166438827), (183, 110959218), (366, 55479609), (549, 36986406), (857, 23693742), (1098, 18493203), (1647, 12328802), (1714, 11846871), (2571, 7897914), (3294, 6164401), (5142, 3948957), (7193, 2822958), (7713, 2632638), (14386, 1411479), (15426, 1316319), (21579, 940986), (23139, 877546), (43158, 470493), (46278, 438773), (52277, 388422), (64737, 313662), (104554, 194211), (129474, 156831)]