20456340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340939}}^1$

素因数の和:340951

約数の個数: 24

約数和(自身を含む): 57277920

約数和(自身を除く): 36821580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340939, 681878, 1022817, 1363756, 1704695, 2045634, 3409390, 4091268, 5114085, 6818780, 10228170, 20456340]

約数ペア:

[(1, 20456340), (2, 10228170), (3, 6818780), (4, 5114085), (5, 4091268), (6, 3409390), (10, 2045634), (12, 1704695), (15, 1363756), (20, 1022817), (30, 681878), (60, 340939)]