20120370280

素因数分解:

$2^3\times 5^1\times {\mathrm{503009257}}^1$

素因数の和:503009268

約数の個数: 16

約数和(自身を含む): 45270833220

約数和(自身を除く): 25150462940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503009257, 1006018514, 2012037028, 2515046285, 4024074056, 5030092570, 10060185140, 20120370280]

約数ペア:

[(1, 20120370280), (2, 10060185140), (4, 5030092570), (5, 4024074056), (8, 2515046285), (10, 2012037028), (20, 1006018514), (40, 503009257)]