20131729220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32470531}}^1$

素因数の和:32470571

約数の個数: 24

約数和(自身を含む): 43640395008

約数和(自身を除く): 23508665788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32470531, 64941062, 129882124, 162352655, 324705310, 649410620, 1006586461, 2013172922, 4026345844, 5032932305, 10065864610, 20131729220]

約数ペア:

[(1, 20131729220), (2, 10065864610), (4, 5032932305), (5, 4026345844), (10, 2013172922), (20, 1006586461), (31, 649410620), (62, 324705310), (124, 162352655), (155, 129882124), (310, 64941062), (620, 32470531)]