20121528518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4806863}}^1$

素因数の和:4806908

約数の個数: 32

約数和(自身を含む): 38762551296

約数和(自身を除く): 18641022778

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4806863, 9613726, 33648041, 62489219, 67296082, 110557849, 124978438, 221115698, 437424533, 773904943, 874849066, 1437252037, 1547809886, 2874504074, 10060764259, 20121528518]

約数ペア:

[(1, 20121528518), (2, 10060764259), (7, 2874504074), (13, 1547809886), (14, 1437252037), (23, 874849066), (26, 773904943), (46, 437424533), (91, 221115698), (161, 124978438), (182, 110557849), (299, 67296082), (322, 62489219), (598, 33648041), (2093, 9613726), (4186, 4806863)]