20338552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{727}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20939048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 727, 1076, 1454, 2152, 2908, 3497, 5816, 6994, 9451, 13988, 18902, 27976, 37804, 75608, 195563, 391126, 782252, 1564504, 2542319, 5084638, 10169276, 20338552]

約数ペア:

[(1, 20338552), (2, 10169276), (4, 5084638), (8, 2542319), (13, 1564504), (26, 782252), (52, 391126), (104, 195563), (269, 75608), (538, 37804), (727, 27976), (1076, 18902), (1454, 13988), (2152, 9451), (2908, 6994), (3497, 5816)]