20170596740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{359291}}^1$

素因数の和:359708

約数の個数: 48

約数和(自身を含む): 48530289024

約数和(自身を除く): 28359692284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 28070, 56140, 359291, 718582, 1437164, 1796455, 2515037, 3592910, 5030074, 7185820, 10060148, 12575185, 25150370, 50300740, 144075691, 288151382, 576302764, 720378455, 1008529837, 1440756910, 2017059674, 2881513820, 4034119348, 5042649185, 10085298370, 20170596740]

約数ペア:

[(1, 20170596740), (2, 10085298370), (4, 5042649185), (5, 4034119348), (7, 2881513820), (10, 2017059674), (14, 1440756910), (20, 1008529837), (28, 720378455), (35, 576302764), (70, 288151382), (140, 144075691), (401, 50300740), (802, 25150370), (1604, 12575185), (2005, 10060148), (2807, 7185820), (4010, 5030074), (5614, 3592910), (8020, 2515037), (11228, 1796455), (14035, 1437164), (28070, 718582), (56140, 359291)]