20118924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2753}}^1$

素因数の和:2799

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 40028436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2753, 3654, 5506, 7308, 8259, 11012, 16518, 19271, 24777, 33036, 38542, 49554, 57813, 77084, 79837, 99108, 115626, 159674, 173439, 231252, 239511, 319348, 346878, 479022, 558859, 693756, 718533, 958044, 1117718, 1437066, 1676577, 2235436, 2874132, 3353154, 5029731, 6706308, 10059462, 20118924]

約数ペア:

[(1, 20118924), (2, 10059462), (3, 6706308), (4, 5029731), (6, 3353154), (7, 2874132), (9, 2235436), (12, 1676577), (14, 1437066), (18, 1117718), (21, 958044), (28, 718533), (29, 693756), (36, 558859), (42, 479022), (58, 346878), (63, 319348), (84, 239511), (87, 231252), (116, 173439), (126, 159674), (174, 115626), (203, 99108), (252, 79837), (261, 77084), (348, 57813), (406, 49554), (522, 38542), (609, 33036), (812, 24777), (1044, 19271), (1218, 16518), (1827, 11012), (2436, 8259), (2753, 7308), (3654, 5506)]