20161386460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{161731}}^1$

素因数の和:162034

約数の個数: 48

約数和(自身を含む): 44343032832

約数和(自身を除く): 24181646372

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 1084, 1355, 2710, 5420, 6233, 12466, 24932, 31165, 62330, 124660, 161731, 323462, 646924, 808655, 1617310, 3234620, 3719813, 7439626, 14879252, 18599065, 37198130, 43829101, 74396260, 87658202, 175316404, 219145505, 438291010, 876582020, 1008069323, 2016138646, 4032277292, 5040346615, 10080693230, 20161386460]

約数ペア:

[(1, 20161386460), (2, 10080693230), (4, 5040346615), (5, 4032277292), (10, 2016138646), (20, 1008069323), (23, 876582020), (46, 438291010), (92, 219145505), (115, 175316404), (230, 87658202), (271, 74396260), (460, 43829101), (542, 37198130), (1084, 18599065), (1355, 14879252), (2710, 7439626), (5420, 3719813), (6233, 3234620), (12466, 1617310), (24932, 808655), (31165, 646924), (62330, 323462), (124660, 161731)]