20560644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43933}}^1$

素因数の和:43956

約数の個数: 36

約数和(自身を含む): 55971916

約数和(自身を除く): 35411272

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43933, 87866, 131799, 175732, 263598, 395397, 527196, 571129, 790794, 1142258, 1581588, 1713387, 2284516, 3426774, 5140161, 6853548, 10280322, 20560644]

約数ペア:

[(1, 20560644), (2, 10280322), (3, 6853548), (4, 5140161), (6, 3426774), (9, 2284516), (12, 1713387), (13, 1581588), (18, 1142258), (26, 790794), (36, 571129), (39, 527196), (52, 395397), (78, 263598), (117, 175732), (156, 131799), (234, 87866), (468, 43933)]