20170853912

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{234131}}^1$

素因数の和:234248

約数の個数: 48

約数和(自身を含む): 42038400600

約数和(自身を除く): 21867546688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 121, 178, 242, 356, 484, 712, 968, 979, 1958, 3916, 7832, 10769, 21538, 43076, 86152, 234131, 468262, 936524, 1873048, 2575441, 5150882, 10301764, 20603528, 20837659, 28329851, 41675318, 56659702, 83350636, 113319404, 166701272, 226638808, 229214249, 458428498, 916856996, 1833713992, 2521356739, 5042713478, 10085426956, 20170853912]

約数ペア:

[(1, 20170853912), (2, 10085426956), (4, 5042713478), (8, 2521356739), (11, 1833713992), (22, 916856996), (44, 458428498), (88, 229214249), (89, 226638808), (121, 166701272), (178, 113319404), (242, 83350636), (356, 56659702), (484, 41675318), (712, 28329851), (968, 20837659), (979, 20603528), (1958, 10301764), (3916, 5150882), (7832, 2575441), (10769, 1873048), (21538, 936524), (43076, 468262), (86152, 234131)]