20313180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12539}}^1$

素因数の和:12560

約数の個数: 60

約数和(自身を含む): 63728280

約数和(自身を除く): 43415100

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, 12539, 25078, 37617, 50156, 62695, 75234, 112851, 125390, 150468, 188085, 225702, 250780, 338553, 376170, 451404, 564255, 677106, 752340, 1015659, 1128510, 1354212, 1692765, 2031318, 2257020, 3385530, 4062636, 5078295, 6771060, 10156590, 20313180]

約数ペア:

[(1, 20313180), (2, 10156590), (3, 6771060), (4, 5078295), (5, 4062636), (6, 3385530), (9, 2257020), (10, 2031318), (12, 1692765), (15, 1354212), (18, 1128510), (20, 1015659), (27, 752340), (30, 677106), (36, 564255), (45, 451404), (54, 376170), (60, 338553), (81, 250780), (90, 225702), (108, 188085), (135, 150468), (162, 125390), (180, 112851), (270, 75234), (324, 62695), (405, 50156), (540, 37617), (810, 25078), (1620, 12539)]