20172595328

素因数分解:

$2^7\times {\mathrm{167}}^1\times {\mathrm{739}}^1\times {\mathrm{1277}}^1$

素因数の和:2197

約数の個数: 64

約数和(自身を含む): 40514644800

約数和(自身を除く): 20342049472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 739, 1277, 1336, 1478, 2554, 2672, 2956, 5108, 5344, 5912, 10216, 10688, 11824, 20432, 21376, 23648, 40864, 47296, 81728, 94592, 123413, 163456, 213259, 246826, 426518, 493652, 853036, 943703, 987304, 1706072, 1887406, 1974608, 3412144, 3774812, 3949216, 6824288, 7549624, 7898432, 13648576, 15099248, 15796864, 27297152, 30198496, 60396992, 120793984, 157598401, 315196802, 630393604, 1260787208, 2521574416, 5043148832, 10086297664, 20172595328]

約数ペア:

[(1, 20172595328), (2, 10086297664), (4, 5043148832), (8, 2521574416), (16, 1260787208), (32, 630393604), (64, 315196802), (128, 157598401), (167, 120793984), (334, 60396992), (668, 30198496), (739, 27297152), (1277, 15796864), (1336, 15099248), (1478, 13648576), (2554, 7898432), (2672, 7549624), (2956, 6824288), (5108, 3949216), (5344, 3774812), (5912, 3412144), (10216, 1974608), (10688, 1887406), (11824, 1706072), (20432, 987304), (21376, 943703), (23648, 853036), (40864, 493652), (47296, 426518), (81728, 246826), (94592, 213259), (123413, 163456)]