20501104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98563}}^1$

素因数の和:98584

約数の個数: 20

約数和(自身を含む): 42776776

約数和(自身を除く): 22275672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98563, 197126, 394252, 788504, 1281319, 1577008, 2562638, 5125276, 10250552, 20501104]

約数ペア:

[(1, 20501104), (2, 10250552), (4, 5125276), (8, 2562638), (13, 1577008), (16, 1281319), (26, 788504), (52, 394252), (104, 197126), (208, 98563)]