20940010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23011}}^1$

素因数の和:23038

約数の個数: 32

約数和(自身を含む): 46392192

約数和(自身を除く): 25452182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23011, 46022, 115055, 161077, 230110, 299143, 322154, 598286, 805385, 1495715, 1610770, 2094001, 2991430, 4188002, 10470005, 20940010]

約数ペア:

[(1, 20940010), (2, 10470005), (5, 4188002), (7, 2991430), (10, 2094001), (13, 1610770), (14, 1495715), (26, 805385), (35, 598286), (65, 322154), (70, 299143), (91, 230110), (130, 161077), (182, 115055), (455, 46022), (910, 23011)]