20120367472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40565257}}^1$

素因数の和:40565296

約数の個数: 20

約数和(自身を含む): 40240735936

約数和(自身を除く): 20120368464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40565257, 81130514, 162261028, 324522056, 649044112, 1257522967, 2515045934, 5030091868, 10060183736, 20120367472]

約数ペア:

[(1, 20120367472), (2, 10060183736), (4, 5030091868), (8, 2515045934), (16, 1257522967), (31, 649044112), (62, 324522056), (124, 162261028), (248, 81130514), (496, 40565257)]