20576409

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57637}}^1$

素因数の和:57664

約数の個数: 16

約数和(自身を含む): 33199488

約数和(自身を除く): 12623079

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57637, 172911, 403459, 979829, 1210377, 2939487, 6858803, 20576409]

約数ペア:

[(1, 20576409), (3, 6858803), (7, 2939487), (17, 1210377), (21, 979829), (51, 403459), (119, 172911), (357, 57637)]