20152715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 7840885

約数列:

[1, 5, 11, 23, 55, 89, 115, 179, 253, 445, 895, 979, 1265, 1969, 2047, 4117, 4895, 9845, 10235, 15931, 20585, 22517, 45287, 79655, 112585, 175241, 226435, 366413, 876205, 1832065, 4030543, 20152715]

約数ペア:

[(1, 20152715), (5, 4030543), (11, 1832065), (23, 876205), (55, 366413), (89, 226435), (115, 175241), (179, 112585), (253, 79655), (445, 45287), (895, 22517), (979, 20585), (1265, 15931), (1969, 10235), (2047, 9845), (4117, 4895)]