20219493808

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12512063}}^1$

素因数の和:12512172

約数の個数: 20

約数和(自身を含む): 39563146368

約数和(自身を除く): 19343652560

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12512063, 25024126, 50048252, 100096504, 200193008, 1263718363, 2527436726, 5054873452, 10109746904, 20219493808]

約数ペア:

[(1, 20219493808), (2, 10109746904), (4, 5054873452), (8, 2527436726), (16, 1263718363), (101, 200193008), (202, 100096504), (404, 50048252), (808, 25024126), (1616, 12512063)]