20649948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 53308416

約数和(自身を除く): 32658468

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 132, 146, 219, 292, 438, 803, 876, 1606, 2143, 2409, 3212, 4286, 4818, 6429, 8572, 9636, 12858, 23573, 25716, 47146, 70719, 94292, 141438, 156439, 282876, 312878, 469317, 625756, 938634, 1720829, 1877268, 3441658, 5162487, 6883316, 10324974, 20649948]

約数ペア:

[(1, 20649948), (2, 10324974), (3, 6883316), (4, 5162487), (6, 3441658), (11, 1877268), (12, 1720829), (22, 938634), (33, 625756), (44, 469317), (66, 312878), (73, 282876), (132, 156439), (146, 141438), (219, 94292), (292, 70719), (438, 47146), (803, 25716), (876, 23573), (1606, 12858), (2143, 9636), (2409, 8572), (3212, 6429), (4286, 4818)]