23903020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 53555040

約数和(自身を除く): 29652020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 307, 340, 458, 614, 916, 1145, 1228, 1535, 2290, 3070, 3893, 4580, 5219, 6140, 7786, 10438, 15572, 19465, 20876, 26095, 38930, 52190, 70303, 77860, 104380, 140606, 281212, 351515, 703030, 1195151, 1406060, 2390302, 4780604, 5975755, 11951510, 23903020]

約数ペア:

[(1, 23903020), (2, 11951510), (4, 5975755), (5, 4780604), (10, 2390302), (17, 1406060), (20, 1195151), (34, 703030), (68, 351515), (85, 281212), (170, 140606), (229, 104380), (307, 77860), (340, 70303), (458, 52190), (614, 38930), (916, 26095), (1145, 20876), (1228, 19465), (1535, 15572), (2290, 10438), (3070, 7786), (3893, 6140), (4580, 5219)]