20228934620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1\times {\mathrm{26821}}^1$

素因数の和:27750

約数の個数: 48

約数和(自身を含む): 43519875168

約数和(自身を除く): 23290940548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 877, 1754, 3508, 4385, 8770, 17540, 26821, 37711, 53642, 75422, 107284, 134105, 150844, 188555, 268210, 377110, 536420, 754220, 1153303, 2306606, 4613212, 5766515, 11533030, 23066060, 23522017, 47044034, 94088068, 117610085, 235220170, 470440340, 1011446731, 2022893462, 4045786924, 5057233655, 10114467310, 20228934620]

約数ペア:

[(1, 20228934620), (2, 10114467310), (4, 5057233655), (5, 4045786924), (10, 2022893462), (20, 1011446731), (43, 470440340), (86, 235220170), (172, 117610085), (215, 94088068), (430, 47044034), (860, 23522017), (877, 23066060), (1754, 11533030), (3508, 5766515), (4385, 4613212), (8770, 2306606), (17540, 1153303), (26821, 754220), (37711, 536420), (53642, 377110), (75422, 268210), (107284, 188555), (134105, 150844)]