19902496

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20063}}^1$

素因数の和:20104

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 20546528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20063, 40126, 80252, 160504, 321008, 621953, 642016, 1243906, 2487812, 4975624, 9951248, 19902496]

約数ペア:

[(1, 19902496), (2, 9951248), (4, 4975624), (8, 2487812), (16, 1243906), (31, 642016), (32, 621953), (62, 321008), (124, 160504), (248, 80252), (496, 40126), (992, 20063)]