20235420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12512

約数の個数: 60

約数和(自身を含む): 63484344

約数和(自身を除く): 43248924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12491, 24982, 37473, 49964, 62455, 74946, 112419, 124910, 149892, 187365, 224838, 249820, 337257, 374730, 449676, 562095, 674514, 749460, 1011771, 1124190, 1349028, 1686285, 2023542, 2248380, 3372570, 4047084, 5058855, 6745140, 10117710, 20235420]

約数ペア:

[(1, 20235420), (2, 10117710), (3, 6745140), (4, 5058855), (5, 4047084), (6, 3372570), (9, 2248380), (10, 2023542), (12, 1686285), (15, 1349028), (18, 1124190), (20, 1011771), (27, 749460), (30, 674514), (36, 562095), (45, 449676), (54, 374730), (60, 337257), (81, 249820), (90, 224838), (108, 187365), (135, 149892), (162, 124910), (180, 112419), (270, 74946), (324, 62455), (405, 49964), (540, 37473), (810, 24982), (1620, 12491)]