20959648

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8291}}^1$

素因数の和:8380

約数の個数: 24

約数和(自身を含む): 41791680

約数和(自身を除く): 20832032

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8291, 16582, 33164, 66328, 132656, 265312, 654989, 1309978, 2619956, 5239912, 10479824, 20959648]

約数ペア:

[(1, 20959648), (2, 10479824), (4, 5239912), (8, 2619956), (16, 1309978), (32, 654989), (79, 265312), (158, 132656), (316, 66328), (632, 33164), (1264, 16582), (2528, 8291)]