20958864

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{1699}}^1$

素因数の和:1967

約数の個数: 40

約数和(自身を含む): 54386400

約数和(自身を除く): 33427536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 1699, 2056, 3084, 3398, 4112, 5097, 6168, 6796, 10194, 12336, 13592, 20388, 27184, 40776, 81552, 436643, 873286, 1309929, 1746572, 2619858, 3493144, 5239716, 6986288, 10479432, 20958864]

約数ペア:

[(1, 20958864), (2, 10479432), (3, 6986288), (4, 5239716), (6, 3493144), (8, 2619858), (12, 1746572), (16, 1309929), (24, 873286), (48, 436643), (257, 81552), (514, 40776), (771, 27184), (1028, 20388), (1542, 13592), (1699, 12336), (2056, 10194), (3084, 6796), (3398, 6168), (4112, 5097)]