20627172

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 54302976

約数和(自身を除く): 33675804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 73, 94, 141, 146, 167, 188, 219, 282, 292, 334, 423, 438, 501, 564, 657, 668, 846, 876, 1002, 1314, 1503, 1692, 2004, 2628, 3006, 3431, 6012, 6862, 7849, 10293, 12191, 13724, 15698, 20586, 23547, 24382, 30879, 31396, 36573, 41172, 47094, 48764, 61758, 70641, 73146, 94188, 109719, 123516, 141282, 146292, 219438, 282564, 438876, 572977, 1145954, 1718931, 2291908, 3437862, 5156793, 6875724, 10313586, 20627172]

約数ペア:

[(1, 20627172), (2, 10313586), (3, 6875724), (4, 5156793), (6, 3437862), (9, 2291908), (12, 1718931), (18, 1145954), (36, 572977), (47, 438876), (73, 282564), (94, 219438), (141, 146292), (146, 141282), (167, 123516), (188, 109719), (219, 94188), (282, 73146), (292, 70641), (334, 61758), (423, 48764), (438, 47094), (501, 41172), (564, 36573), (657, 31396), (668, 30879), (846, 24382), (876, 23547), (1002, 20586), (1314, 15698), (1503, 13724), (1692, 12191), (2004, 10293), (2628, 7849), (3006, 6862), (3431, 6012)]