20863180806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{348731}}^1$

素因数の和:348821

約数の個数: 48

約数和(自身を含む): 45948928320

約数和(自身を除く): 25085747514

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 169, 177, 338, 354, 507, 767, 1014, 1534, 2301, 4602, 9971, 19942, 29913, 59826, 348731, 697462, 1046193, 2092386, 4533503, 9067006, 13600509, 20575129, 27201018, 41150258, 58935539, 61725387, 117871078, 123450774, 176806617, 267476677, 353613234, 534953354, 802430031, 1604860062, 3477196801, 6954393602, 10431590403, 20863180806]

約数ペア:

[(1, 20863180806), (2, 10431590403), (3, 6954393602), (6, 3477196801), (13, 1604860062), (26, 802430031), (39, 534953354), (59, 353613234), (78, 267476677), (118, 176806617), (169, 123450774), (177, 117871078), (338, 61725387), (354, 58935539), (507, 41150258), (767, 27201018), (1014, 20575129), (1534, 13600509), (2301, 9067006), (4602, 4533503), (9971, 2092386), (19942, 1046193), (29913, 697462), (59826, 348731)]