20564370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5573}}^1$

素因数の和:5627

約数の個数: 48

約数和(自身を含む): 54781272

約数和(自身を除く): 34216902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5573, 11146, 16719, 27865, 33438, 50157, 55730, 83595, 100314, 167190, 228493, 250785, 456986, 501570, 685479, 1142465, 1370958, 2056437, 2284930, 3427395, 4112874, 6854790, 10282185, 20564370]

約数ペア:

[(1, 20564370), (2, 10282185), (3, 6854790), (5, 4112874), (6, 3427395), (9, 2284930), (10, 2056437), (15, 1370958), (18, 1142465), (30, 685479), (41, 501570), (45, 456986), (82, 250785), (90, 228493), (123, 167190), (205, 100314), (246, 83595), (369, 55730), (410, 50157), (615, 33438), (738, 27865), (1230, 16719), (1845, 11146), (3690, 5573)]