20894265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 20933703

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 113, 315, 339, 565, 587, 791, 1017, 1695, 1761, 2373, 2935, 3955, 4109, 5085, 5283, 7119, 8805, 11865, 12327, 20545, 26415, 35595, 36981, 61635, 66331, 184905, 198993, 331655, 464317, 596979, 994965, 1392951, 2321585, 2984895, 4178853, 6964755, 20894265]

約数ペア:

[(1, 20894265), (3, 6964755), (5, 4178853), (7, 2984895), (9, 2321585), (15, 1392951), (21, 994965), (35, 596979), (45, 464317), (63, 331655), (105, 198993), (113, 184905), (315, 66331), (339, 61635), (565, 36981), (587, 35595), (791, 26415), (1017, 20545), (1695, 12327), (1761, 11865), (2373, 8805), (2935, 7119), (3955, 5283), (4109, 5085)]