20512551645663

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{6637187}}^1$

素因数の和:6638012

約数の個数: 64

約数和(自身を含む): 36150479843328

約数和(自身を除く): 15637928197665

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 787, 1309, 2361, 3927, 5509, 8657, 13379, 16527, 25971, 40137, 60599, 93653, 147169, 181797, 280959, 441507, 1030183, 3090549, 6637187, 19911561, 46460309, 73009057, 112832179, 139380927, 219027171, 338496537, 511063399, 789825253, 1241153969, 1533190197, 2369475759, 3723461907, 5223466169, 8688077783, 15670398507, 26064233349, 36564263183, 57458127859, 88798924873, 109692789549, 172374383577, 266396774619, 402206895013, 621592474111, 976788173603, 1206620685039, 1864777422333, 2930364520809, 6837517215221, 20512551645663]

約数ペア:

[(1, 20512551645663), (3, 6837517215221), (7, 2930364520809), (11, 1864777422333), (17, 1206620685039), (21, 976788173603), (33, 621592474111), (51, 402206895013), (77, 266396774619), (119, 172374383577), (187, 109692789549), (231, 88798924873), (357, 57458127859), (561, 36564263183), (787, 26064233349), (1309, 15670398507), (2361, 8688077783), (3927, 5223466169), (5509, 3723461907), (8657, 2369475759), (13379, 1533190197), (16527, 1241153969), (25971, 789825253), (40137, 511063399), (60599, 338496537), (93653, 219027171), (147169, 139380927), (181797, 112832179), (280959, 73009057), (441507, 46460309), (1030183, 19911561), (3090549, 6637187)]