20862738

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 29698542

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 113, 117, 226, 234, 263, 339, 351, 526, 678, 702, 789, 1017, 1469, 1578, 2034, 2367, 2938, 3051, 3419, 4407, 4734, 6102, 6838, 7101, 8814, 10257, 13221, 14202, 20514, 26442, 29719, 30771, 39663, 59438, 61542, 79326, 89157, 92313, 178314, 184626, 267471, 386347, 534942, 772694, 802413, 1159041, 1604826, 2318082, 3477123, 6954246, 10431369, 20862738]

約数ペア:

[(1, 20862738), (2, 10431369), (3, 6954246), (6, 3477123), (9, 2318082), (13, 1604826), (18, 1159041), (26, 802413), (27, 772694), (39, 534942), (54, 386347), (78, 267471), (113, 184626), (117, 178314), (226, 92313), (234, 89157), (263, 79326), (339, 61542), (351, 59438), (526, 39663), (678, 30771), (702, 29719), (789, 26442), (1017, 20514), (1469, 14202), (1578, 13221), (2034, 10257), (2367, 8814), (2938, 7101), (3051, 6838), (3419, 6102), (4407, 4734)]