20452215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1787}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 37762560

約数和(自身を除く): 17310345

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 1787, 2289, 3815, 5361, 8935, 11445, 12509, 26805, 37527, 62545, 187635, 194783, 584349, 973915, 1363481, 2921745, 4090443, 6817405, 20452215]

約数ペア:

[(1, 20452215), (3, 6817405), (5, 4090443), (7, 2921745), (15, 1363481), (21, 973915), (35, 584349), (105, 194783), (109, 187635), (327, 62545), (545, 37527), (763, 26805), (1635, 12509), (1787, 11445), (2289, 8935), (3815, 5361)]