20909988

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{5867}}^1$

素因数の和:5894

約数の個数: 60

約数和(自身を含む): 59642352

約数和(自身を除く): 38732364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 297, 324, 396, 594, 891, 1188, 1782, 3564, 5867, 11734, 17601, 23468, 35202, 52803, 64537, 70404, 105606, 129074, 158409, 193611, 211212, 258148, 316818, 387222, 475227, 580833, 633636, 774444, 950454, 1161666, 1742499, 1900908, 2323332, 3484998, 5227497, 6969996, 10454994, 20909988]

約数ペア:

[(1, 20909988), (2, 10454994), (3, 6969996), (4, 5227497), (6, 3484998), (9, 2323332), (11, 1900908), (12, 1742499), (18, 1161666), (22, 950454), (27, 774444), (33, 633636), (36, 580833), (44, 475227), (54, 387222), (66, 316818), (81, 258148), (99, 211212), (108, 193611), (132, 158409), (162, 129074), (198, 105606), (297, 70404), (324, 64537), (396, 52803), (594, 35202), (891, 23468), (1188, 17601), (1782, 11734), (3564, 5867)]