20724336

素因数分解:

$2^4\times 3^4\times {\mathrm{15991}}^1$

素因数の和:16011

約数の個数: 50

約数和(自身を含む): 59985992

約数和(自身を除く): 39261656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15991, 31982, 47973, 63964, 95946, 127928, 143919, 191892, 255856, 287838, 383784, 431757, 575676, 767568, 863514, 1151352, 1295271, 1727028, 2302704, 2590542, 3454056, 5181084, 6908112, 10362168, 20724336]

約数ペア:

[(1, 20724336), (2, 10362168), (3, 6908112), (4, 5181084), (6, 3454056), (8, 2590542), (9, 2302704), (12, 1727028), (16, 1295271), (18, 1151352), (24, 863514), (27, 767568), (36, 575676), (48, 431757), (54, 383784), (72, 287838), (81, 255856), (108, 191892), (144, 143919), (162, 127928), (216, 95946), (324, 63964), (432, 47973), (648, 31982), (1296, 15991)]