20528068495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1\times {\mathrm{5171}}^1$

素因数の和:6087

約数の個数: 32

約数和(自身を含む): 27213822720

約数和(自身を除く): 6685754225

約数列:

[1, 5, 11, 55, 89, 445, 811, 979, 4055, 4895, 5171, 8921, 25855, 44605, 56881, 72179, 284405, 360895, 460219, 793969, 2301095, 3969845, 4193681, 5062409, 20968405, 25312045, 46130491, 230652455, 373237609, 1866188045, 4105613699, 20528068495]

約数ペア:

[(1, 20528068495), (5, 4105613699), (11, 1866188045), (55, 373237609), (89, 230652455), (445, 46130491), (811, 25312045), (979, 20968405), (4055, 5062409), (4895, 4193681), (5171, 3969845), (8921, 2301095), (25855, 793969), (44605, 460219), (56881, 360895), (72179, 284405)]