20571002008

素因数分解:

$2^3\times {\mathrm{17539}}^1\times {\mathrm{146609}}^1$

素因数の和:164154

約数の個数: 16

約数和(自身を含む): 38573091000

約数和(自身を除く): 18002088992

約数列:

[1, 2, 4, 8, 17539, 35078, 70156, 140312, 146609, 293218, 586436, 1172872, 2571375251, 5142750502, 10285501004, 20571002008]

約数ペア:

[(1, 20571002008), (2, 10285501004), (4, 5142750502), (8, 2571375251), (17539, 1172872), (35078, 586436), (70156, 293218), (140312, 146609)]