20139174

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2805

約数の個数: 48

約数和(自身を含む): 48906000

約数和(自身を除く): 28766826

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2749, 3663, 5498, 7326, 8247, 16494, 24741, 30239, 49482, 60478, 90717, 101713, 181434, 203426, 272151, 305139, 544302, 610278, 915417, 1118843, 1830834, 2237686, 3356529, 6713058, 10069587, 20139174]

約数ペア:

[(1, 20139174), (2, 10069587), (3, 6713058), (6, 3356529), (9, 2237686), (11, 1830834), (18, 1118843), (22, 915417), (33, 610278), (37, 544302), (66, 305139), (74, 272151), (99, 203426), (111, 181434), (198, 101713), (222, 90717), (333, 60478), (407, 49482), (666, 30239), (814, 24741), (1221, 16494), (2442, 8247), (2749, 7326), (3663, 5498)]