20310438

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 41640192

約数和(自身を除く): 21329754

約数列:

[1, 2, 3, 6, 61, 122, 183, 211, 263, 366, 422, 526, 633, 789, 1266, 1578, 12871, 16043, 25742, 32086, 38613, 48129, 55493, 77226, 96258, 110986, 166479, 332958, 3385073, 6770146, 10155219, 20310438]

約数ペア:

[(1, 20310438), (2, 10155219), (3, 6770146), (6, 3385073), (61, 332958), (122, 166479), (183, 110986), (211, 96258), (263, 77226), (366, 55493), (422, 48129), (526, 38613), (633, 32086), (789, 25742), (1266, 16043), (1578, 12871)]