20121664111

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 21436968960

約数和(自身を除く): 1315304849

約数列:

[1, 43, 47, 79, 193, 653, 2021, 3397, 3713, 8299, 9071, 15247, 28079, 30691, 51587, 126029, 159659, 390053, 655621, 716609, 1319713, 2218241, 2424589, 5419247, 5923363, 9956291, 30814187, 104257327, 254704609, 428120513, 467945677, 20121664111]

約数ペア:

[(1, 20121664111), (43, 467945677), (47, 428120513), (79, 254704609), (193, 104257327), (653, 30814187), (2021, 9956291), (3397, 5923363), (3713, 5419247), (8299, 2424589), (9071, 2218241), (15247, 1319713), (28079, 716609), (30691, 655621), (51587, 390053), (126029, 159659)]