20218484158

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{26189}}^1$

素因数の和:26472

約数の個数: 32

約数和(自身を含む): 31860449280

約数和(自身を除く): 11641965122

約数列:

[1, 2, 43, 47, 86, 94, 191, 382, 2021, 4042, 8213, 8977, 16426, 17954, 26189, 52378, 386011, 772022, 1126127, 1230883, 2252254, 2461766, 5002099, 10004198, 52927969, 105855938, 215090257, 235098653, 430180514, 470197306, 10109242079, 20218484158]

約数ペア:

[(1, 20218484158), (2, 10109242079), (43, 470197306), (47, 430180514), (86, 235098653), (94, 215090257), (191, 105855938), (382, 52927969), (2021, 10004198), (4042, 5002099), (8213, 2461766), (8977, 2252254), (16426, 1230883), (17954, 1126127), (26189, 772022), (52378, 386011)]