20176774359

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{80923}}^1$

素因数の和:81347

約数の個数: 32

約数和(自身を含む): 31820611584

約数和(自身を除く): 11643837225

約数列:

[1, 3, 7, 21, 31, 93, 217, 383, 651, 1149, 2681, 8043, 11873, 35619, 80923, 83111, 242769, 249333, 566461, 1699383, 2508613, 7525839, 17560291, 30993509, 52680873, 92980527, 216954563, 650863689, 960798779, 2882396337, 6725591453, 20176774359]

約数ペア:

[(1, 20176774359), (3, 6725591453), (7, 2882396337), (21, 960798779), (31, 650863689), (93, 216954563), (217, 92980527), (383, 52680873), (651, 30993509), (1149, 17560291), (2681, 7525839), (8043, 2508613), (11873, 1699383), (35619, 566461), (80923, 249333), (83111, 242769)]