20239811180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{139067}}^1$

素因数の和:139478

約数の個数: 48

約数和(自身を含む): 44857774080

約数和(自身を除く): 24617962900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 766, 1532, 1915, 3830, 7277, 7660, 14554, 29108, 36385, 72770, 139067, 145540, 278134, 556268, 695335, 1390670, 2642273, 2781340, 5284546, 10569092, 13211365, 26422730, 52845460, 53262661, 106525322, 213050644, 266313305, 532626610, 1011990559, 1065253220, 2023981118, 4047962236, 5059952795, 10119905590, 20239811180]

約数ペア:

[(1, 20239811180), (2, 10119905590), (4, 5059952795), (5, 4047962236), (10, 2023981118), (19, 1065253220), (20, 1011990559), (38, 532626610), (76, 266313305), (95, 213050644), (190, 106525322), (380, 53262661), (383, 52845460), (766, 26422730), (1532, 13211365), (1915, 10569092), (3830, 5284546), (7277, 2781340), (7660, 2642273), (14554, 1390670), (29108, 695335), (36385, 556268), (72770, 278134), (139067, 145540)]