20272659

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 30668544

約数和(自身を除く): 10395885

約数列:

[1, 3, 11, 33, 53, 67, 159, 173, 201, 519, 583, 737, 1749, 1903, 2211, 3551, 5709, 9169, 10653, 11591, 27507, 34773, 39061, 100859, 117183, 127501, 302577, 382503, 614323, 1842969, 6757553, 20272659]

約数ペア:

[(1, 20272659), (3, 6757553), (11, 1842969), (33, 614323), (53, 382503), (67, 302577), (159, 127501), (173, 117183), (201, 100859), (519, 39061), (583, 34773), (737, 27507), (1749, 11591), (1903, 10653), (2211, 9169), (3551, 5709)]