20123986165

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1\times {\mathrm{26693}}^1$

素因数の和:27980

約数の個数: 16

約数和(自身を含む): 24355178496

約数和(自身を除く): 4231192331

約数列:

[1, 5, 131, 655, 1151, 5755, 26693, 133465, 150781, 753905, 3496783, 17483915, 30723643, 153618215, 4024797233, 20123986165]

約数ペア:

[(1, 20123986165), (5, 4024797233), (131, 153618215), (655, 30723643), (1151, 17483915), (5755, 3496783), (26693, 753905), (133465, 150781)]