20355118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 37382400

約数和(自身を除く): 17027282

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1297, 2242, 2594, 7847, 9079, 15694, 18158, 24643, 49286, 76523, 153046, 172501, 345002, 535661, 1071322, 1453937, 2907874, 10177559, 20355118]

約数ペア:

[(1, 20355118), (2, 10177559), (7, 2907874), (14, 1453937), (19, 1071322), (38, 535661), (59, 345002), (118, 172501), (133, 153046), (266, 76523), (413, 49286), (826, 24643), (1121, 18158), (1297, 15694), (2242, 9079), (2594, 7847)]