20247839885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2617691}}^1$

素因数の和:2617733

約数の個数: 32

約数和(自身を含む): 31663602432

約数和(自身を除く): 11415762547

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 2617691, 13088455, 18323837, 34029983, 44500747, 91619185, 170149915, 222503735, 238209881, 311505229, 578509711, 1191049405, 1557526145, 2892548555, 4049567977, 20247839885]

約数ペア:

[(1, 20247839885), (5, 4049567977), (7, 2892548555), (13, 1557526145), (17, 1191049405), (35, 578509711), (65, 311505229), (85, 238209881), (91, 222503735), (119, 170149915), (221, 91619185), (455, 44500747), (595, 34029983), (1105, 18323837), (1547, 13088455), (7735, 2617691)]