20125979517

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1\times {\mathrm{12577}}^1$

素因数の和:13189

約数の個数: 32

約数和(自身を含む): 30913302784

約数和(自身を除く): 10787323267

約数列:

[1, 3, 7, 21, 181, 421, 543, 1263, 1267, 2947, 3801, 8841, 12577, 37731, 76201, 88039, 228603, 264117, 533407, 1600221, 2276437, 5294917, 6829311, 15884751, 15935059, 37064419, 47805177, 111193257, 958379977, 2875139931, 6708659839, 20125979517]

約数ペア:

[(1, 20125979517), (3, 6708659839), (7, 2875139931), (21, 958379977), (181, 111193257), (421, 47805177), (543, 37064419), (1263, 15935059), (1267, 15884751), (2947, 6829311), (3801, 5294917), (8841, 2276437), (12577, 1600221), (37731, 533407), (76201, 264117), (88039, 228603)]