20353326

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 47869056

約数和(自身を除く): 27515730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 642, 647, 749, 1294, 1498, 1941, 2247, 3882, 4494, 4529, 5243, 9058, 10486, 13587, 15729, 27174, 31458, 31703, 63406, 69229, 95109, 138458, 190218, 207687, 415374, 484603, 969206, 1453809, 2907618, 3392221, 6784442, 10176663, 20353326]

約数ペア:

[(1, 20353326), (2, 10176663), (3, 6784442), (6, 3392221), (7, 2907618), (14, 1453809), (21, 969206), (42, 484603), (49, 415374), (98, 207687), (107, 190218), (147, 138458), (214, 95109), (294, 69229), (321, 63406), (642, 31703), (647, 31458), (749, 27174), (1294, 15729), (1498, 13587), (1941, 10486), (2247, 9058), (3882, 5243), (4494, 4529)]