20781624

素因数分解:

$2^3\times 3^1\times {\mathrm{547}}^1\times {\mathrm{1583}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 52081920

約数和(自身を除く): 31300296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 547, 1094, 1583, 1641, 2188, 3166, 3282, 4376, 4749, 6332, 6564, 9498, 12664, 13128, 18996, 37992, 865901, 1731802, 2597703, 3463604, 5195406, 6927208, 10390812, 20781624]

約数ペア:

[(1, 20781624), (2, 10390812), (3, 6927208), (4, 5195406), (6, 3463604), (8, 2597703), (12, 1731802), (24, 865901), (547, 37992), (1094, 18996), (1583, 13128), (1641, 12664), (2188, 9498), (3166, 6564), (3282, 6332), (4376, 4749)]