20115721812

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1257547}}^1$

素因数の和:1257628

約数の個数: 48

約数和(自身を含む): 49577572352

約数和(自身を除く): 29461850540

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1333, 2666, 3999, 5332, 7998, 15996, 1257547, 2515094, 3772641, 5030188, 7545282, 15090564, 38983957, 54074521, 77967914, 108149042, 116951871, 155935828, 162223563, 216298084, 233903742, 324447126, 467807484, 648894252, 1676310151, 3352620302, 5028930453, 6705240604, 10057860906, 20115721812]

約数ペア:

[(1, 20115721812), (2, 10057860906), (3, 6705240604), (4, 5028930453), (6, 3352620302), (12, 1676310151), (31, 648894252), (43, 467807484), (62, 324447126), (86, 233903742), (93, 216298084), (124, 162223563), (129, 155935828), (172, 116951871), (186, 108149042), (258, 77967914), (372, 54074521), (516, 38983957), (1333, 15090564), (2666, 7545282), (3999, 5030188), (5332, 3772641), (7998, 2515094), (15996, 1257547)]