20807540026

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2333207}}^1$

素因数の和:2333243

約数の個数: 32

約数和(自身を含む): 39197894400

約数和(自身を除く): 18390354374

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 4459, 8918, 2333207, 4666414, 16332449, 30331691, 32664898, 60663382, 114327143, 212321837, 228654286, 424643674, 800290001, 1486252859, 1600580002, 2972505718, 10403770013, 20807540026]

約数ペア:

[(1, 20807540026), (2, 10403770013), (7, 2972505718), (13, 1600580002), (14, 1486252859), (26, 800290001), (49, 424643674), (91, 228654286), (98, 212321837), (182, 114327143), (343, 60663382), (637, 32664898), (686, 30331691), (1274, 16332449), (4459, 4666414), (8918, 2333207)]