20211144

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 53136000

約数和(自身を除く): 32924856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 71, 87, 116, 142, 174, 213, 232, 284, 348, 409, 426, 568, 696, 818, 852, 1227, 1636, 1704, 2059, 2454, 3272, 4118, 4908, 6177, 8236, 9816, 11861, 12354, 16472, 23722, 24708, 29039, 35583, 47444, 49416, 58078, 71166, 87117, 94888, 116156, 142332, 174234, 232312, 284664, 348468, 696936, 842131, 1684262, 2526393, 3368524, 5052786, 6737048, 10105572, 20211144]

約数ペア:

[(1, 20211144), (2, 10105572), (3, 6737048), (4, 5052786), (6, 3368524), (8, 2526393), (12, 1684262), (24, 842131), (29, 696936), (58, 348468), (71, 284664), (87, 232312), (116, 174234), (142, 142332), (174, 116156), (213, 94888), (232, 87117), (284, 71166), (348, 58078), (409, 49416), (426, 47444), (568, 35583), (696, 29039), (818, 24708), (852, 23722), (1227, 16472), (1636, 12354), (1704, 11861), (2059, 9816), (2454, 8236), (3272, 6177), (4118, 4908)]