20173784281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{9109}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 25124359680

約数和(自身を除く): 4950575399

約数列:

[1, 7, 17, 37, 119, 259, 503, 629, 3521, 4403, 8551, 9109, 18611, 59857, 63763, 130277, 154853, 316387, 337033, 1083971, 2214709, 2359231, 4581827, 5729561, 32072789, 40106927, 77891059, 169527599, 545237413, 1186693193, 2881969183, 20173784281]

約数ペア:

[(1, 20173784281), (7, 2881969183), (17, 1186693193), (37, 545237413), (119, 169527599), (259, 77891059), (503, 40106927), (629, 32072789), (3521, 5729561), (4403, 4581827), (8551, 2359231), (9109, 2214709), (18611, 1083971), (59857, 337033), (63763, 316387), (130277, 154853)]