20225072

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2133

約数の個数: 40

約数和(自身を含む): 45309600

約数和(自身を除く): 25084528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2029, 2492, 4058, 4984, 8116, 9968, 14203, 16232, 28406, 32464, 56812, 113624, 180581, 227248, 361162, 722324, 1264067, 1444648, 2528134, 2889296, 5056268, 10112536, 20225072]

約数ペア:

[(1, 20225072), (2, 10112536), (4, 5056268), (7, 2889296), (8, 2528134), (14, 1444648), (16, 1264067), (28, 722324), (56, 361162), (89, 227248), (112, 180581), (178, 113624), (356, 56812), (623, 32464), (712, 28406), (1246, 16232), (1424, 14203), (2029, 9968), (2492, 8116), (4058, 4984)]