20174501392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{177019}}^1$

素因数の和:177463

約数の個数: 40

約数和(自身を含む): 41486407200

約数和(自身を除く): 21311905808

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 419, 838, 1676, 3352, 6704, 7123, 14246, 28492, 56984, 113968, 177019, 354038, 708076, 1416152, 2832304, 3009323, 6018646, 12037292, 24074584, 48149168, 74170961, 148341922, 296683844, 593367688, 1186735376, 1260906337, 2521812674, 5043625348, 10087250696, 20174501392]

約数ペア:

[(1, 20174501392), (2, 10087250696), (4, 5043625348), (8, 2521812674), (16, 1260906337), (17, 1186735376), (34, 593367688), (68, 296683844), (136, 148341922), (272, 74170961), (419, 48149168), (838, 24074584), (1676, 12037292), (3352, 6018646), (6704, 3009323), (7123, 2832304), (14246, 1416152), (28492, 708076), (56984, 354038), (113968, 177019)]