20000397310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9941}}^1\times {\mathrm{10589}}^1$

素因数の和:20556

約数の個数: 32

約数和(自身を含む): 37902880800

約数和(自身を除く): 17902483490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 9941, 10589, 19882, 21178, 49705, 52945, 99410, 105890, 188879, 201191, 377758, 402382, 944395, 1005955, 1888790, 2011910, 105265249, 210530498, 526326245, 1052652490, 2000039731, 4000079462, 10000198655, 20000397310]

約数ペア:

[(1, 20000397310), (2, 10000198655), (5, 4000079462), (10, 2000039731), (19, 1052652490), (38, 526326245), (95, 210530498), (190, 105265249), (9941, 2011910), (10589, 1888790), (19882, 1005955), (21178, 944395), (49705, 402382), (52945, 377758), (99410, 201191), (105890, 188879)]