20135864

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 45362880

約数和(自身を除く): 25227016

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1657, 1736, 3038, 3314, 6076, 6628, 11599, 12152, 13256, 23198, 46396, 51367, 81193, 92792, 102734, 162386, 205468, 324772, 359569, 410936, 649544, 719138, 1438276, 2516983, 2876552, 5033966, 10067932, 20135864]

約数ペア:

[(1, 20135864), (2, 10067932), (4, 5033966), (7, 2876552), (8, 2516983), (14, 1438276), (28, 719138), (31, 649544), (49, 410936), (56, 359569), (62, 324772), (98, 205468), (124, 162386), (196, 102734), (217, 92792), (248, 81193), (392, 51367), (434, 46396), (868, 23198), (1519, 13256), (1657, 12152), (1736, 11599), (3038, 6628), (3314, 6076)]