20178663488

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4440727}}^1$

素因数の和:4440810

約数の個数: 28

約数和(自身を含む): 40606016832

約数和(自身を除く): 20427353344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4440727, 8881454, 17762908, 35525816, 71051632, 142103264, 284206528, 315291617, 630583234, 1261166468, 2522332936, 5044665872, 10089331744, 20178663488]

約数ペア:

[(1, 20178663488), (2, 10089331744), (4, 5044665872), (8, 2522332936), (16, 1261166468), (32, 630583234), (64, 315291617), (71, 284206528), (142, 142103264), (284, 71051632), (568, 35525816), (1136, 17762908), (2272, 8881454), (4544, 4440727)]