20382552

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 55649880

約数和(自身を除く): 35267328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2161, 2358, 3144, 4322, 4716, 6483, 8644, 9432, 12966, 17288, 19449, 25932, 38898, 51864, 77796, 155592, 283091, 566182, 849273, 1132364, 1698546, 2264728, 2547819, 3397092, 5095638, 6794184, 10191276, 20382552]

約数ペア:

[(1, 20382552), (2, 10191276), (3, 6794184), (4, 5095638), (6, 3397092), (8, 2547819), (9, 2264728), (12, 1698546), (18, 1132364), (24, 849273), (36, 566182), (72, 283091), (131, 155592), (262, 77796), (393, 51864), (524, 38898), (786, 25932), (1048, 19449), (1179, 17288), (1572, 12966), (2161, 9432), (2358, 8644), (3144, 6483), (4322, 4716)]