20454780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340913}}^1$

素因数の和:340925

約数の個数: 24

約数和(自身を含む): 57273552

約数和(自身を除く): 36818772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340913, 681826, 1022739, 1363652, 1704565, 2045478, 3409130, 4090956, 5113695, 6818260, 10227390, 20454780]

約数ペア:

[(1, 20454780), (2, 10227390), (3, 6818260), (4, 5113695), (5, 4090956), (6, 3409130), (10, 2045478), (12, 1704565), (15, 1363652), (20, 1022739), (30, 681826), (60, 340913)]