20255258950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{42019}}^1$

素因数の和:42373

約数の個数: 48

約数和(自身を含む): 39016074240

約数和(自身を除く): 18760815290

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 311, 622, 775, 1550, 1555, 3110, 7775, 9641, 15550, 19282, 42019, 48205, 84038, 96410, 210095, 241025, 420190, 482050, 1050475, 1302589, 2100950, 2605178, 6512945, 13025890, 13067909, 26135818, 32564725, 65129450, 65339545, 130679090, 326697725, 405105179, 653395450, 810210358, 2025525895, 4051051790, 10127629475, 20255258950]

約数ペア:

[(1, 20255258950), (2, 10127629475), (5, 4051051790), (10, 2025525895), (25, 810210358), (31, 653395450), (50, 405105179), (62, 326697725), (155, 130679090), (310, 65339545), (311, 65129450), (622, 32564725), (775, 26135818), (1550, 13067909), (1555, 13025890), (3110, 6512945), (7775, 2605178), (9641, 2100950), (15550, 1302589), (19282, 1050475), (42019, 482050), (48205, 420190), (84038, 241025), (96410, 210095)]