20535585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 37746432

約数和(自身を除く): 17210847

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 761, 771, 1285, 1799, 2283, 3805, 3855, 5327, 5397, 8995, 11415, 15981, 26635, 26985, 79905, 195577, 586731, 977885, 1369039, 2933655, 4107117, 6845195, 20535585]

約数ペア:

[(1, 20535585), (3, 6845195), (5, 4107117), (7, 2933655), (15, 1369039), (21, 977885), (35, 586731), (105, 195577), (257, 79905), (761, 26985), (771, 26635), (1285, 15981), (1799, 11415), (2283, 8995), (3805, 5397), (3855, 5327)]