20650860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2503

約数の個数: 72

約数和(自身を含む): 63999936

約数和(自身を除く): 43349076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2441, 2820, 4230, 4882, 7323, 8460, 9764, 12205, 14646, 21969, 24410, 29292, 36615, 43938, 48820, 73230, 87876, 109845, 114727, 146460, 219690, 229454, 344181, 439380, 458908, 573635, 688362, 1032543, 1147270, 1376724, 1720905, 2065086, 2294540, 3441810, 4130172, 5162715, 6883620, 10325430, 20650860]

約数ペア:

[(1, 20650860), (2, 10325430), (3, 6883620), (4, 5162715), (5, 4130172), (6, 3441810), (9, 2294540), (10, 2065086), (12, 1720905), (15, 1376724), (18, 1147270), (20, 1032543), (30, 688362), (36, 573635), (45, 458908), (47, 439380), (60, 344181), (90, 229454), (94, 219690), (141, 146460), (180, 114727), (188, 109845), (235, 87876), (282, 73230), (423, 48820), (470, 43938), (564, 36615), (705, 29292), (846, 24410), (940, 21969), (1410, 14646), (1692, 12205), (2115, 9764), (2441, 8460), (2820, 7323), (4230, 4882)]