20100285980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1367}}^1\times {\mathrm{6871}}^1$

素因数の和:8354

約数の個数: 48

約数和(自身を含む): 42642464256

約数和(自身を除く): 22542178276

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1367, 2140, 2734, 5468, 6835, 6871, 13670, 13742, 27340, 27484, 34355, 68710, 137420, 146269, 292538, 585076, 731345, 735197, 1462690, 1470394, 2925380, 2940788, 3675985, 7351970, 9392657, 14703940, 18785314, 37570628, 46963285, 93926570, 187853140, 1005014299, 2010028598, 4020057196, 5025071495, 10050142990, 20100285980]

約数ペア:

[(1, 20100285980), (2, 10050142990), (4, 5025071495), (5, 4020057196), (10, 2010028598), (20, 1005014299), (107, 187853140), (214, 93926570), (428, 46963285), (535, 37570628), (1070, 18785314), (1367, 14703940), (2140, 9392657), (2734, 7351970), (5468, 3675985), (6835, 2940788), (6871, 2925380), (13670, 1470394), (13742, 1462690), (27340, 735197), (27484, 731345), (34355, 585076), (68710, 292538), (137420, 146269)]