20922780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3259}}^1$

素因数の和:3378

約数の個数: 48

約数和(自身を含む): 59149440

約数和(自身を除く): 38226660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3259, 6420, 6518, 9777, 13036, 16295, 19554, 32590, 39108, 48885, 65180, 97770, 195540, 348713, 697426, 1046139, 1394852, 1743565, 2092278, 3487130, 4184556, 5230695, 6974260, 10461390, 20922780]

約数ペア:

[(1, 20922780), (2, 10461390), (3, 6974260), (4, 5230695), (5, 4184556), (6, 3487130), (10, 2092278), (12, 1743565), (15, 1394852), (20, 1046139), (30, 697426), (60, 348713), (107, 195540), (214, 97770), (321, 65180), (428, 48885), (535, 39108), (642, 32590), (1070, 19554), (1284, 16295), (1605, 13036), (2140, 9777), (3210, 6518), (3259, 6420)]