20380644

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6361}}^1$

素因数の和:6460

約数の個数: 36

約数和(自身を含む): 52104780

約数和(自身を除く): 31724136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6361, 12722, 19083, 25444, 38166, 57249, 76332, 114498, 228996, 566129, 1132258, 1698387, 2264516, 3396774, 5095161, 6793548, 10190322, 20380644]

約数ペア:

[(1, 20380644), (2, 10190322), (3, 6793548), (4, 5095161), (6, 3396774), (9, 2264516), (12, 1698387), (18, 1132258), (36, 566129), (89, 228996), (178, 114498), (267, 76332), (356, 57249), (534, 38166), (801, 25444), (1068, 19083), (1602, 12722), (3204, 6361)]