20994028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16453}}^1$

素因数の和:16497

約数の個数: 24

約数和(自身を含む): 41464080

約数和(自身を除く): 20470052

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16453, 32906, 65812, 180983, 361966, 477137, 723932, 954274, 1908548, 5248507, 10497014, 20994028]

約数ペア:

[(1, 20994028), (2, 10497014), (4, 5248507), (11, 1908548), (22, 954274), (29, 723932), (44, 477137), (58, 361966), (116, 180983), (319, 65812), (638, 32906), (1276, 16453)]