20785576

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12799}}^1$

素因数の和:12841

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 25294424

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12799, 25598, 51196, 89593, 102392, 179186, 358372, 371171, 716744, 742342, 1484684, 2598197, 2969368, 5196394, 10392788, 20785576]

約数ペア:

[(1, 20785576), (2, 10392788), (4, 5196394), (7, 2969368), (8, 2598197), (14, 1484684), (28, 742342), (29, 716744), (56, 371171), (58, 358372), (116, 179186), (203, 102392), (232, 89593), (406, 51196), (812, 25598), (1624, 12799)]