20782276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8821}}^1$

素因数の和:8875

約数の個数: 24

約数和(自身を含む): 39522560

約数和(自身を除く): 18740284

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8821, 17642, 35284, 167599, 273451, 335198, 546902, 670396, 1093804, 5195569, 10391138, 20782276]

約数ペア:

[(1, 20782276), (2, 10391138), (4, 5195569), (19, 1093804), (31, 670396), (38, 546902), (62, 335198), (76, 273451), (124, 167599), (589, 35284), (1178, 17642), (2356, 8821)]