20402538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2939}}^1$

素因数の和:3046

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 24050262

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 2939, 3471, 5878, 6942, 8817, 17634, 38207, 76414, 114621, 229242, 261571, 523142, 784713, 1569426, 3400423, 6800846, 10201269, 20402538]

約数ペア:

[(1, 20402538), (2, 10201269), (3, 6800846), (6, 3400423), (13, 1569426), (26, 784713), (39, 523142), (78, 261571), (89, 229242), (178, 114621), (267, 76414), (534, 38207), (1157, 17634), (2314, 8817), (2939, 6942), (3471, 5878)]