20740734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1697}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 51918048

約数和(自身を除く): 31177314

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1697, 1746, 2037, 3394, 4074, 5091, 6111, 10182, 11879, 12222, 15273, 23758, 30546, 35637, 71274, 106911, 164609, 213822, 329218, 493827, 987654, 1152263, 1481481, 2304526, 2962962, 3456789, 6913578, 10370367, 20740734]

約数ペア:

[(1, 20740734), (2, 10370367), (3, 6913578), (6, 3456789), (7, 2962962), (9, 2304526), (14, 1481481), (18, 1152263), (21, 987654), (42, 493827), (63, 329218), (97, 213822), (126, 164609), (194, 106911), (291, 71274), (582, 35637), (679, 30546), (873, 23758), (1358, 15273), (1697, 12222), (1746, 11879), (2037, 10182), (3394, 6111), (4074, 5091)]