20859594539

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 25690810176

約数和(自身を除く): 4831215637

約数列:

[1, 7, 23, 49, 101, 161, 401, 457, 707, 1127, 2323, 2807, 3199, 4949, 9223, 10511, 16261, 19649, 22393, 40501, 46157, 64561, 73577, 113827, 183257, 283507, 323099, 451927, 515039, 931523, 1061611, 1282799, 1984549, 2261693, 4214911, 6520661, 7431277, 8979593, 18508957, 29504377, 45644627, 52018939, 129562699, 206530639, 425706011, 906938893, 2979942077, 20859594539]

約数ペア:

[(1, 20859594539), (7, 2979942077), (23, 906938893), (49, 425706011), (101, 206530639), (161, 129562699), (401, 52018939), (457, 45644627), (707, 29504377), (1127, 18508957), (2323, 8979593), (2807, 7431277), (3199, 6520661), (4949, 4214911), (9223, 2261693), (10511, 1984549), (16261, 1282799), (19649, 1061611), (22393, 931523), (40501, 515039), (46157, 451927), (64561, 323099), (73577, 283507), (113827, 183257)]