20761799565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{29567}}^1$

素因数の和:29878

約数の個数: 48

約数和(自身を含む): 36101818368

約数和(自身を除く): 15340018803

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 277, 507, 831, 845, 1385, 2535, 3601, 4155, 10803, 18005, 29567, 46813, 54015, 88701, 140439, 147835, 234065, 384371, 443505, 702195, 1153113, 1921855, 4996823, 5765565, 8190059, 14990469, 24570177, 24984115, 40950295, 74952345, 106470767, 122850885, 319412301, 532353835, 1384119971, 1597061505, 4152359913, 6920599855, 20761799565]

約数ペア:

[(1, 20761799565), (3, 6920599855), (5, 4152359913), (13, 1597061505), (15, 1384119971), (39, 532353835), (65, 319412301), (169, 122850885), (195, 106470767), (277, 74952345), (507, 40950295), (831, 24984115), (845, 24570177), (1385, 14990469), (2535, 8190059), (3601, 5765565), (4155, 4996823), (10803, 1921855), (18005, 1153113), (29567, 702195), (46813, 443505), (54015, 384371), (88701, 234065), (140439, 147835)]