20457099843

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4387

約数の個数: 32

約数和(自身を含む): 27987690240

約数和(自身を除く): 7530590397

約数列:

[1, 3, 101, 107, 157, 303, 321, 471, 4019, 10807, 12057, 15857, 16799, 32421, 47571, 50397, 405919, 430033, 630983, 1217757, 1290099, 1696699, 1892949, 5090097, 43433333, 63729283, 67515181, 130299999, 191187849, 202545543, 6819033281, 20457099843]

約数ペア:

[(1, 20457099843), (3, 6819033281), (101, 202545543), (107, 191187849), (157, 130299999), (303, 67515181), (321, 63729283), (471, 43433333), (4019, 5090097), (10807, 1892949), (12057, 1696699), (15857, 1290099), (16799, 1217757), (32421, 630983), (47571, 430033), (50397, 405919)]