20643792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33083}}^1$

素因数の和:33107

約数の個数: 40

約数和(自身を含む): 57433824

約数和(自身を除く): 36790032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33083, 66166, 99249, 132332, 198498, 264664, 396996, 430079, 529328, 793992, 860158, 1290237, 1587984, 1720316, 2580474, 3440632, 5160948, 6881264, 10321896, 20643792]

約数ペア:

[(1, 20643792), (2, 10321896), (3, 6881264), (4, 5160948), (6, 3440632), (8, 2580474), (12, 1720316), (13, 1587984), (16, 1290237), (24, 860158), (26, 793992), (39, 529328), (48, 430079), (52, 396996), (78, 264664), (104, 198498), (156, 132332), (208, 99249), (312, 66166), (624, 33083)]