20178013304

素因数分解:

$2^3\times {\mathrm{47}}^2\times {\mathrm{449}}^1\times {\mathrm{2543}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 38757204000

約数和(自身を除く): 18579190696

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 449, 898, 1796, 2209, 2543, 3592, 4418, 5086, 8836, 10172, 17672, 20344, 21103, 42206, 84412, 119521, 168824, 239042, 478084, 956168, 991841, 1141807, 1983682, 2283614, 3967364, 4567228, 5617487, 7934728, 9134456, 11234974, 22469948, 44939896, 53664929, 107329858, 214659716, 429319432, 2522251663, 5044503326, 10089006652, 20178013304]

約数ペア:

[(1, 20178013304), (2, 10089006652), (4, 5044503326), (8, 2522251663), (47, 429319432), (94, 214659716), (188, 107329858), (376, 53664929), (449, 44939896), (898, 22469948), (1796, 11234974), (2209, 9134456), (2543, 7934728), (3592, 5617487), (4418, 4567228), (5086, 3967364), (8836, 2283614), (10172, 1983682), (17672, 1141807), (20344, 991841), (21103, 956168), (42206, 478084), (84412, 239042), (119521, 168824)]