20193369987

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{211199}}^1$

素因数の和:211395

約数の個数: 32

約数和(自身を含む): 32034816000

約数和(自身を除く): 11841446013

約数列:

[1, 3, 7, 21, 29, 87, 157, 203, 471, 609, 1099, 3297, 4553, 13659, 31871, 95613, 211199, 633597, 1478393, 4435179, 6124771, 18374313, 33158243, 42873397, 99474729, 128620191, 232107701, 696323103, 961589047, 2884767141, 6731123329, 20193369987]

約数ペア:

[(1, 20193369987), (3, 6731123329), (7, 2884767141), (21, 961589047), (29, 696323103), (87, 232107701), (157, 128620191), (203, 99474729), (471, 42873397), (609, 33158243), (1099, 18374313), (3297, 6124771), (4553, 4435179), (13659, 1478393), (31871, 633597), (95613, 211199)]