20215719503

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{1723}}^1\times {\mathrm{4643}}^1$

素因数の和:6411

約数の個数: 24

約数和(自身を含む): 24403068288

約数和(自身を除く): 4187348785

約数列:

[1, 7, 19, 133, 361, 1723, 2527, 4643, 12061, 32501, 32737, 88217, 229159, 617519, 622003, 1676123, 4354021, 7999889, 11732861, 55999223, 151997891, 1063985237, 2887959929, 20215719503]

約数ペア:

[(1, 20215719503), (7, 2887959929), (19, 1063985237), (133, 151997891), (361, 55999223), (1723, 11732861), (2527, 7999889), (4643, 4354021), (12061, 1676123), (32501, 622003), (32737, 617519), (88217, 229159)]