20175708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1327}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 54139904

約数和(自身を除く): 33964196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 181, 362, 543, 724, 1086, 1267, 1327, 2172, 2534, 2654, 3801, 3981, 5068, 5308, 7602, 7962, 9289, 15204, 15924, 18578, 27867, 37156, 55734, 111468, 240187, 480374, 720561, 960748, 1441122, 1681309, 2882244, 3362618, 5043927, 6725236, 10087854, 20175708]

約数ペア:

[(1, 20175708), (2, 10087854), (3, 6725236), (4, 5043927), (6, 3362618), (7, 2882244), (12, 1681309), (14, 1441122), (21, 960748), (28, 720561), (42, 480374), (84, 240187), (181, 111468), (362, 55734), (543, 37156), (724, 27867), (1086, 18578), (1267, 15924), (1327, 15204), (2172, 9289), (2534, 7962), (2654, 7602), (3801, 5308), (3981, 5068)]