20218140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37441}}^1$

素因数の和:37459

約数の個数: 48

約数和(自身を含む): 62902560

約数和(自身を除く): 42684420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37441, 74882, 112323, 149764, 187205, 224646, 336969, 374410, 449292, 561615, 673938, 748820, 1010907, 1123230, 1347876, 1684845, 2021814, 2246460, 3369690, 4043628, 5054535, 6739380, 10109070, 20218140]

約数ペア:

[(1, 20218140), (2, 10109070), (3, 6739380), (4, 5054535), (5, 4043628), (6, 3369690), (9, 2246460), (10, 2021814), (12, 1684845), (15, 1347876), (18, 1123230), (20, 1010907), (27, 748820), (30, 673938), (36, 561615), (45, 449292), (54, 374410), (60, 336969), (90, 224646), (108, 187205), (135, 149764), (180, 112323), (270, 74882), (540, 37441)]