20511402

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 42028800

約数和(自身を除く): 21517398

約数列:

[1, 2, 3, 6, 79, 109, 158, 218, 237, 327, 397, 474, 654, 794, 1191, 2382, 8611, 17222, 25833, 31363, 43273, 51666, 62726, 86546, 94089, 129819, 188178, 259638, 3418567, 6837134, 10255701, 20511402]

約数ペア:

[(1, 20511402), (2, 10255701), (3, 6837134), (6, 3418567), (79, 259638), (109, 188178), (158, 129819), (218, 94089), (237, 86546), (327, 62726), (397, 51666), (474, 43273), (654, 31363), (794, 25833), (1191, 17222), (2382, 8611)]