20193943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15427}}^1$

素因数の和:15462

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 6465641

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15427, 107989, 169697, 262259, 1187879, 1835813, 2884849, 20193943]

約数ペア:

[(1, 20193943), (7, 2884849), (11, 1835813), (17, 1187879), (77, 262259), (119, 169697), (187, 107989), (1309, 15427)]