20289324

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 51924096

約数和(自身を除く): 31634772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 281, 547, 562, 843, 1094, 1124, 1641, 1686, 2188, 3091, 3282, 3372, 6017, 6182, 6564, 9273, 12034, 12364, 18051, 18546, 24068, 36102, 37092, 72204, 153707, 307414, 461121, 614828, 922242, 1690777, 1844484, 3381554, 5072331, 6763108, 10144662, 20289324]

約数ペア:

[(1, 20289324), (2, 10144662), (3, 6763108), (4, 5072331), (6, 3381554), (11, 1844484), (12, 1690777), (22, 922242), (33, 614828), (44, 461121), (66, 307414), (132, 153707), (281, 72204), (547, 37092), (562, 36102), (843, 24068), (1094, 18546), (1124, 18051), (1641, 12364), (1686, 12034), (2188, 9273), (3091, 6564), (3282, 6182), (3372, 6017)]