20199565575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{45641}}^1$

素因数の和:45945

約数の個数: 72

約数和(自身を含む): 41496245856

約数和(自身を除く): 21296680281

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 281, 315, 525, 843, 1405, 1575, 1967, 2529, 4215, 5901, 7025, 9835, 12645, 17703, 21075, 29505, 45641, 49175, 63225, 88515, 136923, 147525, 228205, 319487, 410769, 442575, 684615, 958461, 1141025, 1597435, 2053845, 2875383, 3423075, 4792305, 7987175, 10269225, 12825121, 14376915, 23961525, 38475363, 64125605, 71884575, 89775847, 115426089, 192376815, 269327541, 320628025, 448879235, 577130445, 807982623, 961884075, 1346637705, 2244396175, 2885652225, 4039913115, 6733188525, 20199565575]

約数ペア:

[(1, 20199565575), (3, 6733188525), (5, 4039913115), (7, 2885652225), (9, 2244396175), (15, 1346637705), (21, 961884075), (25, 807982623), (35, 577130445), (45, 448879235), (63, 320628025), (75, 269327541), (105, 192376815), (175, 115426089), (225, 89775847), (281, 71884575), (315, 64125605), (525, 38475363), (843, 23961525), (1405, 14376915), (1575, 12825121), (1967, 10269225), (2529, 7987175), (4215, 4792305), (5901, 3423075), (7025, 2875383), (9835, 2053845), (12645, 1597435), (17703, 1141025), (21075, 958461), (29505, 684615), (45641, 442575), (49175, 410769), (63225, 319487), (88515, 228205), (136923, 147525)]