20332624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1459}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 43087520

約数和(自身を除く): 22754896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1459, 1742, 2918, 3484, 5836, 6968, 11672, 13936, 18967, 23344, 37934, 75868, 97753, 151736, 195506, 303472, 391012, 782024, 1270789, 1564048, 2541578, 5083156, 10166312, 20332624]

約数ペア:

[(1, 20332624), (2, 10166312), (4, 5083156), (8, 2541578), (13, 1564048), (16, 1270789), (26, 782024), (52, 391012), (67, 303472), (104, 195506), (134, 151736), (208, 97753), (268, 75868), (536, 37934), (871, 23344), (1072, 18967), (1459, 13936), (1742, 11672), (2918, 6968), (3484, 5836)]