19956060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3867

約数の個数: 72

約数和(自身を含む): 62637120

約数和(自身を除く): 42681060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3823, 5220, 7646, 11469, 15292, 19115, 22938, 34407, 38230, 45876, 57345, 68814, 76460, 110867, 114690, 137628, 172035, 221734, 229380, 332601, 344070, 443468, 554335, 665202, 688140, 997803, 1108670, 1330404, 1663005, 1995606, 2217340, 3326010, 3991212, 4989015, 6652020, 9978030, 19956060]

約数ペア:

[(1, 19956060), (2, 9978030), (3, 6652020), (4, 4989015), (5, 3991212), (6, 3326010), (9, 2217340), (10, 1995606), (12, 1663005), (15, 1330404), (18, 1108670), (20, 997803), (29, 688140), (30, 665202), (36, 554335), (45, 443468), (58, 344070), (60, 332601), (87, 229380), (90, 221734), (116, 172035), (145, 137628), (174, 114690), (180, 110867), (261, 76460), (290, 68814), (348, 57345), (435, 45876), (522, 38230), (580, 34407), (870, 22938), (1044, 19115), (1305, 15292), (1740, 11469), (2610, 7646), (3823, 5220)]