20623995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 41176512

約数和(自身を除く): 20552517

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 233, 281, 315, 699, 843, 1165, 1405, 1631, 1967, 2097, 2529, 3495, 4215, 4893, 5901, 8155, 9835, 10485, 12645, 14679, 17703, 24465, 29505, 65473, 73395, 88515, 196419, 327365, 458311, 589257, 982095, 1374933, 2291555, 2946285, 4124799, 6874665, 20623995]

約数ペア:

[(1, 20623995), (3, 6874665), (5, 4124799), (7, 2946285), (9, 2291555), (15, 1374933), (21, 982095), (35, 589257), (45, 458311), (63, 327365), (105, 196419), (233, 88515), (281, 73395), (315, 65473), (699, 29505), (843, 24465), (1165, 17703), (1405, 14679), (1631, 12645), (1967, 10485), (2097, 9835), (2529, 8155), (3495, 5901), (4215, 4893)]