16817960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7933}}^1$

素因数の和:7997

約数の個数: 32

約数和(自身を含む): 38559240

約数和(自身を除く): 21741280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7933, 15866, 31732, 39665, 63464, 79330, 158660, 317320, 420449, 840898, 1681796, 2102245, 3363592, 4204490, 8408980, 16817960]

約数ペア:

[(1, 16817960), (2, 8408980), (4, 4204490), (5, 3363592), (8, 2102245), (10, 1681796), (20, 840898), (40, 420449), (53, 317320), (106, 158660), (212, 79330), (265, 63464), (424, 39665), (530, 31732), (1060, 15866), (2120, 7933)]