20978232

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 57628800

約数和(自身を除く): 36650568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 229, 264, 347, 458, 687, 694, 916, 1041, 1374, 1388, 1832, 2082, 2519, 2748, 2776, 3817, 4164, 5038, 5496, 7557, 7634, 8328, 10076, 11451, 15114, 15268, 20152, 22902, 30228, 30536, 45804, 60456, 79463, 91608, 158926, 238389, 317852, 476778, 635704, 874093, 953556, 1748186, 1907112, 2622279, 3496372, 5244558, 6992744, 10489116, 20978232]

約数ペア:

[(1, 20978232), (2, 10489116), (3, 6992744), (4, 5244558), (6, 3496372), (8, 2622279), (11, 1907112), (12, 1748186), (22, 953556), (24, 874093), (33, 635704), (44, 476778), (66, 317852), (88, 238389), (132, 158926), (229, 91608), (264, 79463), (347, 60456), (458, 45804), (687, 30536), (694, 30228), (916, 22902), (1041, 20152), (1374, 15268), (1388, 15114), (1832, 11451), (2082, 10076), (2519, 8328), (2748, 7634), (2776, 7557), (3817, 5496), (4164, 5038)]