20803922035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{20771}}^1$

素因数の和:21619

約数の個数: 32

約数和(自身を含む): 28336331520

約数和(自身を除く): 7532409485

約数列:

[1, 5, 13, 19, 65, 95, 247, 811, 1235, 4055, 10543, 15409, 20771, 52715, 77045, 103855, 200317, 270023, 394649, 1001585, 1350115, 1973245, 5130437, 16845281, 25652185, 84226405, 218988653, 320060339, 1094943265, 1600301695, 4160784407, 20803922035]

約数ペア:

[(1, 20803922035), (5, 4160784407), (13, 1600301695), (19, 1094943265), (65, 320060339), (95, 218988653), (247, 84226405), (811, 25652185), (1235, 16845281), (4055, 5130437), (10543, 1973245), (15409, 1350115), (20771, 1001585), (52715, 394649), (77045, 270023), (103855, 200317)]