20188948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 38259200

約数和(自身を除く): 18070252

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 1951, 2587, 3902, 5174, 7804, 10348, 25363, 50726, 101452, 388249, 776498, 1552996, 5047237, 10094474, 20188948]

約数ペア:

[(1, 20188948), (2, 10094474), (4, 5047237), (13, 1552996), (26, 776498), (52, 388249), (199, 101452), (398, 50726), (796, 25363), (1951, 10348), (2587, 7804), (3902, 5174)]