20263670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2113}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 42009408

約数和(自身を除く): 21745738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2113, 4226, 4795, 9590, 10565, 14791, 21130, 29582, 73955, 147910, 289481, 578962, 1447405, 2026367, 2894810, 4052734, 10131835, 20263670]

約数ペア:

[(1, 20263670), (2, 10131835), (5, 4052734), (7, 2894810), (10, 2026367), (14, 1447405), (35, 578962), (70, 289481), (137, 147910), (274, 73955), (685, 29582), (959, 21130), (1370, 14791), (1918, 10565), (2113, 9590), (4226, 4795)]