20541027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10102173

約数列:

[1, 3, 13, 39, 59, 79, 113, 177, 237, 339, 767, 1027, 1469, 2301, 3081, 4407, 4661, 6667, 8927, 13983, 20001, 26781, 60593, 86671, 116051, 181779, 260013, 348153, 526693, 1580079, 6847009, 20541027]

約数ペア:

[(1, 20541027), (3, 6847009), (13, 1580079), (39, 526693), (59, 348153), (79, 260013), (113, 181779), (177, 116051), (237, 86671), (339, 60593), (767, 26781), (1027, 20001), (1469, 13983), (2301, 8927), (3081, 6667), (4407, 4661)]