20565723885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{4817}}^1$

素因数の和:5462

約数の個数: 64

約数和(自身を含む): 38197412352

約数和(自身を除く): 17631688467

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 557, 1095, 1533, 1671, 2555, 2785, 3899, 4817, 7665, 8355, 11697, 14451, 19495, 24085, 33719, 40661, 58485, 72255, 101157, 121983, 168595, 203305, 284627, 351641, 505785, 609915, 853881, 1054923, 1423135, 1758205, 2461487, 2683069, 4269405, 5274615, 7384461, 8049207, 12307435, 13415345, 18781483, 36922305, 40246035, 56344449, 93907415, 195864037, 281722245, 587592111, 979320185, 1371048259, 2937960555, 4113144777, 6855241295, 20565723885]

約数ペア:

[(1, 20565723885), (3, 6855241295), (5, 4113144777), (7, 2937960555), (15, 1371048259), (21, 979320185), (35, 587592111), (73, 281722245), (105, 195864037), (219, 93907415), (365, 56344449), (511, 40246035), (557, 36922305), (1095, 18781483), (1533, 13415345), (1671, 12307435), (2555, 8049207), (2785, 7384461), (3899, 5274615), (4817, 4269405), (7665, 2683069), (8355, 2461487), (11697, 1758205), (14451, 1423135), (19495, 1054923), (24085, 853881), (33719, 609915), (40661, 505785), (58485, 351641), (72255, 284627), (101157, 203305), (121983, 168595)]