20177891305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{17627}}^1$

素因数の和:19257

約数の個数: 32

約数和(自身を含む): 28465976448

約数和(自身を除く): 8288085143

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1601, 8005, 17611, 17627, 20813, 88055, 88135, 104065, 193897, 228943, 229151, 969485, 1144715, 1145755, 2520661, 12603305, 28220827, 141104135, 310429097, 366870751, 1552145485, 1834353755, 4035578261, 20177891305]

約数ペア:

[(1, 20177891305), (5, 4035578261), (11, 1834353755), (13, 1552145485), (55, 366870751), (65, 310429097), (143, 141104135), (715, 28220827), (1601, 12603305), (8005, 2520661), (17611, 1145755), (17627, 1144715), (20813, 969485), (88055, 229151), (88135, 228943), (104065, 193897)]