20518873089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{1567}}^1$

素因数の和:1958

約数の個数: 64

約数和(自身を含む): 32546562048

約数和(自身を除く): 12027688959

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 233, 393, 429, 699, 1441, 1567, 1703, 2563, 3029, 4323, 4701, 5109, 7689, 9087, 17237, 18733, 20371, 30523, 33319, 51711, 56199, 61113, 91569, 99957, 205277, 224081, 335753, 365111, 396799, 615831, 672243, 1007259, 1095333, 1190397, 2258047, 2668601, 4016221, 4364789, 4746443, 6774141, 8005803, 12048663, 13094367, 14239329, 29354611, 47829541, 52210873, 88063833, 143488623, 156632619, 526124951, 621784033, 1578374853, 1865352099, 6839624363, 20518873089]

約数ペア:

[(1, 20518873089), (3, 6839624363), (11, 1865352099), (13, 1578374853), (33, 621784033), (39, 526124951), (131, 156632619), (143, 143488623), (233, 88063833), (393, 52210873), (429, 47829541), (699, 29354611), (1441, 14239329), (1567, 13094367), (1703, 12048663), (2563, 8005803), (3029, 6774141), (4323, 4746443), (4701, 4364789), (5109, 4016221), (7689, 2668601), (9087, 2258047), (17237, 1190397), (18733, 1095333), (20371, 1007259), (30523, 672243), (33319, 615831), (51711, 396799), (56199, 365111), (61113, 335753), (91569, 224081), (99957, 205277)]