20925918

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2293}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 50376240

約数和(自身を除く): 29450322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2293, 3042, 4563, 4586, 6879, 9126, 13758, 20637, 29809, 41274, 59618, 61911, 89427, 123822, 178854, 268281, 387517, 536562, 775034, 804843, 1162551, 1609686, 2325102, 3487653, 6975306, 10462959, 20925918]

約数ペア:

[(1, 20925918), (2, 10462959), (3, 6975306), (6, 3487653), (9, 2325102), (13, 1609686), (18, 1162551), (26, 804843), (27, 775034), (39, 536562), (54, 387517), (78, 268281), (117, 178854), (169, 123822), (234, 89427), (338, 61911), (351, 59618), (507, 41274), (702, 29809), (1014, 20637), (1521, 13758), (2293, 9126), (3042, 6879), (4563, 4586)]