20403749032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{701}}^1\times {\mathrm{191491}}^1$

素因数の和:192217

約数の個数: 32

約数和(自身を含む): 40328215200

約数和(自身を除く): 19924466168

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 701, 1402, 2804, 5608, 13319, 26638, 53276, 106552, 191491, 382982, 765964, 1531928, 3638329, 7276658, 14553316, 29106632, 134235191, 268470382, 536940764, 1073881528, 2550468629, 5100937258, 10201874516, 20403749032]

約数ペア:

[(1, 20403749032), (2, 10201874516), (4, 5100937258), (8, 2550468629), (19, 1073881528), (38, 536940764), (76, 268470382), (152, 134235191), (701, 29106632), (1402, 14553316), (2804, 7276658), (5608, 3638329), (13319, 1531928), (26638, 765964), (53276, 382982), (106552, 191491)]