20782734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 29121906

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 113, 151, 174, 203, 226, 302, 339, 406, 453, 609, 678, 791, 906, 1057, 1218, 1582, 2114, 2373, 3171, 3277, 4379, 4746, 6342, 6554, 8758, 9831, 13137, 17063, 19662, 22939, 26274, 30653, 34126, 45878, 51189, 61306, 68817, 91959, 102378, 119441, 137634, 183918, 238882, 358323, 494827, 716646, 989654, 1484481, 2968962, 3463789, 6927578, 10391367, 20782734]

約数ペア:

[(1, 20782734), (2, 10391367), (3, 6927578), (6, 3463789), (7, 2968962), (14, 1484481), (21, 989654), (29, 716646), (42, 494827), (58, 358323), (87, 238882), (113, 183918), (151, 137634), (174, 119441), (203, 102378), (226, 91959), (302, 68817), (339, 61306), (406, 51189), (453, 45878), (609, 34126), (678, 30653), (791, 26274), (906, 22939), (1057, 19662), (1218, 17063), (1582, 13137), (2114, 9831), (2373, 8758), (3171, 6554), (3277, 6342), (4379, 4746)]