20041552

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 21027248

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 919, 1363, 1838, 2726, 3676, 5452, 7352, 10904, 14704, 21808, 26651, 43193, 53302, 86386, 106604, 172772, 213208, 345544, 426416, 691088, 1252597, 2505194, 5010388, 10020776, 20041552]

約数ペア:

[(1, 20041552), (2, 10020776), (4, 5010388), (8, 2505194), (16, 1252597), (29, 691088), (47, 426416), (58, 345544), (94, 213208), (116, 172772), (188, 106604), (232, 86386), (376, 53302), (464, 43193), (752, 26651), (919, 21808), (1363, 14704), (1838, 10904), (2726, 7352), (3676, 5452)]