20774404

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12163}}^1$

素因数の和:12235

約数の個数: 24

約数和(自身を含む): 42233408

約数和(自身を除く): 21459004

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12163, 24326, 48652, 85141, 170282, 340564, 741943, 1483886, 2967772, 5193601, 10387202, 20774404]

約数ペア:

[(1, 20774404), (2, 10387202), (4, 5193601), (7, 2967772), (14, 1483886), (28, 741943), (61, 340564), (122, 170282), (244, 85141), (427, 48652), (854, 24326), (1708, 12163)]