20177021931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{678607}}^1$

素因数の和:678691

約数の個数: 32

約数和(自身を含む): 31661134848

約数和(自身を除く): 11484112917

約数列:

[1, 3, 11, 17, 33, 51, 53, 159, 187, 561, 583, 901, 1749, 2703, 9911, 29733, 678607, 2035821, 7464677, 11536319, 22394031, 34608957, 35966171, 107898513, 126899509, 380698527, 395627881, 611424907, 1186883643, 1834274721, 6725673977, 20177021931]

約数ペア:

[(1, 20177021931), (3, 6725673977), (11, 1834274721), (17, 1186883643), (33, 611424907), (51, 395627881), (53, 380698527), (159, 126899509), (187, 107898513), (561, 35966171), (583, 34608957), (901, 22394031), (1749, 11536319), (2703, 7464677), (9911, 2035821), (29733, 678607)]