20017504425

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1249}}^1\times {\mathrm{2203}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 33478760000

約数和(自身を除く): 13461255575

約数列:

[1, 3, 5, 15, 25, 75, 97, 291, 485, 1249, 1455, 2203, 2425, 3747, 6245, 6609, 7275, 11015, 18735, 31225, 33045, 55075, 93675, 121153, 165225, 213691, 363459, 605765, 641073, 1068455, 1817295, 2751547, 3028825, 3205365, 5342275, 8254641, 9086475, 13757735, 16026825, 41273205, 68788675, 206366025, 266900059, 800700177, 1334500295, 4003500885, 6672501475, 20017504425]

約数ペア:

[(1, 20017504425), (3, 6672501475), (5, 4003500885), (15, 1334500295), (25, 800700177), (75, 266900059), (97, 206366025), (291, 68788675), (485, 41273205), (1249, 16026825), (1455, 13757735), (2203, 9086475), (2425, 8254641), (3747, 5342275), (6245, 3205365), (6609, 3028825), (7275, 2751547), (11015, 1817295), (18735, 1068455), (31225, 641073), (33045, 605765), (55075, 363459), (93675, 213691), (121153, 165225)]