20942982

素因数分解:

$2^1\times 3^3\times {\mathrm{389}}^1\times {\mathrm{997}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 46706400

約数和(自身を除く): 25763418

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 997, 1167, 1994, 2334, 2991, 3501, 5982, 7002, 8973, 10503, 17946, 21006, 26919, 53838, 387833, 775666, 1163499, 2326998, 3490497, 6980994, 10471491, 20942982]

約数ペア:

[(1, 20942982), (2, 10471491), (3, 6980994), (6, 3490497), (9, 2326998), (18, 1163499), (27, 775666), (54, 387833), (389, 53838), (778, 26919), (997, 21006), (1167, 17946), (1994, 10503), (2334, 8973), (2991, 7002), (3501, 5982)]