20156225060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349813}}^1$

素因数の和:349932

約数の個数: 48

約数和(自身を含む): 43959026496

約数和(自身を除く): 23802801436

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 5762, 11524, 14405, 28810, 57620, 349813, 699626, 1399252, 1749065, 3498130, 6996260, 15041959, 23437471, 30083918, 46874942, 60167836, 75209795, 93749884, 117187355, 150419590, 234374710, 300839180, 468749420, 1007811253, 2015622506, 4031245012, 5039056265, 10078112530, 20156225060]

約数ペア:

[(1, 20156225060), (2, 10078112530), (4, 5039056265), (5, 4031245012), (10, 2015622506), (20, 1007811253), (43, 468749420), (67, 300839180), (86, 234374710), (134, 150419590), (172, 117187355), (215, 93749884), (268, 75209795), (335, 60167836), (430, 46874942), (670, 30083918), (860, 23437471), (1340, 15041959), (2881, 6996260), (5762, 3498130), (11524, 1749065), (14405, 1399252), (28810, 699626), (57620, 349813)]