20804730050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1882781}}^1$

素因数の和:1882823

約数の個数: 48

約数和(自身を含む): 44124878952

約数和(自身を除く): 23320148902

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 1882781, 3765562, 9413905, 18827810, 24476153, 32007277, 47069525, 48952306, 64014554, 94139050, 122380765, 160036385, 244761530, 320072770, 416094601, 611903825, 800181925, 832189202, 1223807650, 1600363850, 2080473005, 4160946010, 10402365025, 20804730050]

約数ペア:

[(1, 20804730050), (2, 10402365025), (5, 4160946010), (10, 2080473005), (13, 1600363850), (17, 1223807650), (25, 832189202), (26, 800181925), (34, 611903825), (50, 416094601), (65, 320072770), (85, 244761530), (130, 160036385), (170, 122380765), (221, 94139050), (325, 64014554), (425, 48952306), (442, 47069525), (650, 32007277), (850, 24476153), (1105, 18827810), (2210, 9413905), (5525, 3765562), (11050, 1882781)]