20165904143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{117389}}^1$

素因数の和:117527

約数の個数: 32

約数和(自身を含む): 26505722880

約数和(自身を除く): 6339818737

約数列:

[1, 7, 11, 23, 77, 97, 161, 253, 679, 1067, 1771, 2231, 7469, 15617, 24541, 117389, 171787, 821723, 1291279, 2699947, 9038953, 11386733, 18899629, 29699417, 79707131, 125254063, 207895919, 261894859, 876778441, 1833264013, 2880843449, 20165904143]

約数ペア:

[(1, 20165904143), (7, 2880843449), (11, 1833264013), (23, 876778441), (77, 261894859), (97, 207895919), (161, 125254063), (253, 79707131), (679, 29699417), (1067, 18899629), (1771, 11386733), (2231, 9038953), (7469, 2699947), (15617, 1291279), (24541, 821723), (117389, 171787)]