20213882576

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{246607}}^1$

素因数の和:246771

約数の個数: 40

約数和(自身を含む): 40364797440

約数和(自身を除く): 20150914864

約数列:

[1, 2, 4, 8, 16, 47, 94, 109, 188, 218, 376, 436, 752, 872, 1744, 5123, 10246, 20492, 40984, 81968, 246607, 493214, 986428, 1972856, 3945712, 11590529, 23181058, 26880163, 46362116, 53760326, 92724232, 107520652, 185448464, 215041304, 430082608, 1263367661, 2526735322, 5053470644, 10106941288, 20213882576]

約数ペア:

[(1, 20213882576), (2, 10106941288), (4, 5053470644), (8, 2526735322), (16, 1263367661), (47, 430082608), (94, 215041304), (109, 185448464), (188, 107520652), (218, 92724232), (376, 53760326), (436, 46362116), (752, 26880163), (872, 23181058), (1744, 11590529), (5123, 3945712), (10246, 1972856), (20492, 986428), (40984, 493214), (81968, 246607)]