20178061448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{123091}}^1$

素因数の和:123789

約数の個数: 32

約数和(自身を含む): 39113713920

約数和(自身を除く): 18935652472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 661, 1322, 2644, 5288, 20491, 40982, 81964, 123091, 163928, 246182, 492364, 984728, 3815821, 7631642, 15263284, 30526568, 81363151, 162726302, 325452604, 650905208, 2522257681, 5044515362, 10089030724, 20178061448]

約数ペア:

[(1, 20178061448), (2, 10089030724), (4, 5044515362), (8, 2522257681), (31, 650905208), (62, 325452604), (124, 162726302), (248, 81363151), (661, 30526568), (1322, 15263284), (2644, 7631642), (5288, 3815821), (20491, 984728), (40982, 492364), (81964, 246182), (123091, 163928)]