20673922

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 33312384

約数和(自身を除く): 12638462

約数列:

[1, 2, 41, 53, 67, 71, 82, 106, 134, 142, 2173, 2747, 2911, 3551, 3763, 4346, 4757, 5494, 5822, 7102, 7526, 9514, 145591, 154283, 195037, 252121, 291182, 308566, 390074, 504242, 10336961, 20673922]

約数ペア:

[(1, 20673922), (2, 10336961), (41, 504242), (53, 390074), (67, 308566), (71, 291182), (82, 252121), (106, 195037), (134, 154283), (142, 145591), (2173, 9514), (2747, 7526), (2911, 7102), (3551, 5822), (3763, 5494), (4346, 4757)]