20161578502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2551}}^1\times {\mathrm{17881}}^1$

素因数の和:20464

約数の個数: 32

約数和(自身を含む): 34499957184

約数和(自身を除く): 14338378682

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 2551, 5102, 17881, 33163, 35762, 43367, 66326, 86734, 232453, 303977, 464906, 563771, 607954, 1127542, 3951701, 7903402, 45614431, 91228862, 592987603, 775445327, 1185975206, 1550890654, 10080789251, 20161578502]

約数ペア:

[(1, 20161578502), (2, 10080789251), (13, 1550890654), (17, 1185975206), (26, 775445327), (34, 592987603), (221, 91228862), (442, 45614431), (2551, 7903402), (5102, 3951701), (17881, 1127542), (33163, 607954), (35762, 563771), (43367, 464906), (66326, 303977), (86734, 232453)]