20852205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 16403475

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2939, 7095, 8817, 14695, 32329, 44085, 96987, 126377, 161645, 379131, 484935, 631885, 1390147, 1895655, 4170441, 6950735, 20852205]

約数ペア:

[(1, 20852205), (3, 6950735), (5, 4170441), (11, 1895655), (15, 1390147), (33, 631885), (43, 484935), (55, 379131), (129, 161645), (165, 126377), (215, 96987), (473, 44085), (645, 32329), (1419, 14695), (2365, 8817), (2939, 7095)]