20442051

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 36056064

約数和(自身を除く): 15614013

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1163, 1953, 2511, 3489, 5859, 8141, 10467, 17577, 24423, 31401, 36053, 73269, 94203, 108159, 219807, 252371, 324477, 659421, 757113, 973431, 2271339, 2920293, 6814017, 20442051]

約数ペア:

[(1, 20442051), (3, 6814017), (7, 2920293), (9, 2271339), (21, 973431), (27, 757113), (31, 659421), (63, 324477), (81, 252371), (93, 219807), (189, 108159), (217, 94203), (279, 73269), (567, 36053), (651, 31401), (837, 24423), (1163, 17577), (1953, 10467), (2511, 8141), (3489, 5859)]