20204960

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3413}}^1$

素因数の和:3465

約数の個数: 48

約数和(自身を含む): 49038696

約数和(自身を除く): 28833736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3413, 5920, 6826, 13652, 17065, 27304, 34130, 54608, 68260, 109216, 126281, 136520, 252562, 273040, 505124, 546080, 631405, 1010248, 1262810, 2020496, 2525620, 4040992, 5051240, 10102480, 20204960]

約数ペア:

[(1, 20204960), (2, 10102480), (4, 5051240), (5, 4040992), (8, 2525620), (10, 2020496), (16, 1262810), (20, 1010248), (32, 631405), (37, 546080), (40, 505124), (74, 273040), (80, 252562), (148, 136520), (160, 126281), (185, 109216), (296, 68260), (370, 54608), (592, 34130), (740, 27304), (1184, 17065), (1480, 13652), (2960, 6826), (3413, 5920)]