20184883490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{157559}}^1$

素因数の和:158146

約数の個数: 32

約数和(自身を含む): 37980783360

約数和(自身を除く): 17795899870

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 557, 1114, 2785, 5570, 12811, 25622, 64055, 128110, 157559, 315118, 787795, 1575590, 3623857, 7247714, 18119285, 36238570, 87760363, 175520726, 438801815, 877603630, 2018488349, 4036976698, 10092441745, 20184883490]

約数ペア:

[(1, 20184883490), (2, 10092441745), (5, 4036976698), (10, 2018488349), (23, 877603630), (46, 438801815), (115, 175520726), (230, 87760363), (557, 36238570), (1114, 18119285), (2785, 7247714), (5570, 3623857), (12811, 1575590), (25622, 787795), (64055, 315118), (128110, 157559)]