20872476

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3557}}^1$

素因数の和:3730

約数の個数: 36

約数和(自身を含む): 53099592

約数和(自身を除く): 32227116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3557, 5868, 7114, 10671, 14228, 21342, 32013, 42684, 64026, 128052, 579791, 1159582, 1739373, 2319164, 3478746, 5218119, 6957492, 10436238, 20872476]

約数ペア:

[(1, 20872476), (2, 10436238), (3, 6957492), (4, 5218119), (6, 3478746), (9, 2319164), (12, 1739373), (18, 1159582), (36, 579791), (163, 128052), (326, 64026), (489, 42684), (652, 32013), (978, 21342), (1467, 14228), (1956, 10671), (2934, 7114), (3557, 5868)]