20577661

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2404739

約数列:

[1, 13, 37, 179, 239, 481, 2327, 3107, 6623, 8843, 42781, 86099, 114959, 556153, 1582897, 20577661]

約数ペア:

[(1, 20577661), (13, 1582897), (37, 556153), (179, 114959), (239, 86099), (481, 42781), (2327, 8843), (3107, 6623)]