20526310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 45785088

約数和(自身を除く): 25258778

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 47, 70, 85, 94, 119, 170, 235, 238, 329, 367, 470, 595, 658, 734, 799, 1190, 1598, 1645, 1835, 2569, 3290, 3670, 3995, 5138, 5593, 6239, 7990, 11186, 12478, 12845, 17249, 25690, 27965, 31195, 34498, 43673, 55930, 62390, 86245, 87346, 120743, 172490, 218365, 241486, 293233, 436730, 586466, 603715, 1207430, 1466165, 2052631, 2932330, 4105262, 10263155, 20526310]

約数ペア:

[(1, 20526310), (2, 10263155), (5, 4105262), (7, 2932330), (10, 2052631), (14, 1466165), (17, 1207430), (34, 603715), (35, 586466), (47, 436730), (70, 293233), (85, 241486), (94, 218365), (119, 172490), (170, 120743), (235, 87346), (238, 86245), (329, 62390), (367, 55930), (470, 43673), (595, 34498), (658, 31195), (734, 27965), (799, 25690), (1190, 17249), (1598, 12845), (1645, 12478), (1835, 11186), (2569, 7990), (3290, 6239), (3670, 5593), (3995, 5138)]