20182519072

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{121687}}^1$

素因数の和:121841

約数の個数: 48

約数和(自身を含む): 40846280832

約数和(自身を除く): 20663761760

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 2272, 2336, 5183, 10366, 20732, 41464, 82928, 121687, 165856, 243374, 486748, 973496, 1946992, 3893984, 8639777, 8883151, 17279554, 17766302, 34559108, 35532604, 69118216, 71065208, 138236432, 142130416, 276472864, 284260832, 630703721, 1261407442, 2522814884, 5045629768, 10091259536, 20182519072]

約数ペア:

[(1, 20182519072), (2, 10091259536), (4, 5045629768), (8, 2522814884), (16, 1261407442), (32, 630703721), (71, 284260832), (73, 276472864), (142, 142130416), (146, 138236432), (284, 71065208), (292, 69118216), (568, 35532604), (584, 34559108), (1136, 17766302), (1168, 17279554), (2272, 8883151), (2336, 8639777), (5183, 3893984), (10366, 1946992), (20732, 973496), (41464, 486748), (82928, 243374), (121687, 165856)]