20314218

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2521}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 23265942

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 158, 237, 474, 1343, 2521, 2686, 4029, 5042, 7563, 8058, 15126, 42857, 85714, 128571, 199159, 257142, 398318, 597477, 1194954, 3385703, 6771406, 10157109, 20314218]

約数ペア:

[(1, 20314218), (2, 10157109), (3, 6771406), (6, 3385703), (17, 1194954), (34, 597477), (51, 398318), (79, 257142), (102, 199159), (158, 128571), (237, 85714), (474, 42857), (1343, 15126), (2521, 8058), (2686, 7563), (4029, 5042)]