20081240049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1\times {\mathrm{12911}}^1$

素因数の和:15045

約数の個数: 32

約数和(自身を含む): 30369024000

約数和(自身を除く): 10287783951

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 2099, 6297, 12911, 27287, 38733, 39881, 81861, 119643, 167843, 245309, 503529, 518453, 735927, 1555359, 3189017, 9567051, 27100189, 81300567, 352302457, 514903591, 1056907371, 1544710773, 6693746683, 20081240049]

約数ペア:

[(1, 20081240049), (3, 6693746683), (13, 1544710773), (19, 1056907371), (39, 514903591), (57, 352302457), (247, 81300567), (741, 27100189), (2099, 9567051), (6297, 3189017), (12911, 1555359), (27287, 735927), (38733, 518453), (39881, 503529), (81861, 245309), (119643, 167843)]