20633912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 41916000

約数和(自身を除く): 21282088

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 997, 1592, 1994, 2587, 3988, 5174, 7976, 10348, 12961, 20696, 25922, 51844, 103688, 198403, 396806, 793612, 1587224, 2579239, 5158478, 10316956, 20633912]

約数ペア:

[(1, 20633912), (2, 10316956), (4, 5158478), (8, 2579239), (13, 1587224), (26, 793612), (52, 396806), (104, 198403), (199, 103688), (398, 51844), (796, 25922), (997, 20696), (1592, 12961), (1994, 10348), (2587, 7976), (3988, 5174)]