20123171288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{3881}}^1\times {\mathrm{58921}}^1$

素因数の和:62819

約数の個数: 32

約数和(自身を含む): 41172336720

約数和(自身を除く): 21049165432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 3881, 7762, 15524, 31048, 42691, 58921, 85382, 117842, 170764, 235684, 341528, 471368, 648131, 1296262, 2592524, 5185048, 228672401, 457344802, 914689604, 1829379208, 2515396411, 5030792822, 10061585644, 20123171288]

約数ペア:

[(1, 20123171288), (2, 10061585644), (4, 5030792822), (8, 2515396411), (11, 1829379208), (22, 914689604), (44, 457344802), (88, 228672401), (3881, 5185048), (7762, 2592524), (15524, 1296262), (31048, 648131), (42691, 471368), (58921, 341528), (85382, 235684), (117842, 170764)]