20907654

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 44914176

約数和(自身を除く): 24006522

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 2887, 3621, 5774, 7242, 8661, 17322, 49079, 98158, 147237, 204977, 294474, 409954, 614931, 1229862, 3484609, 6969218, 10453827, 20907654]

約数ペア:

[(1, 20907654), (2, 10453827), (3, 6969218), (6, 3484609), (17, 1229862), (34, 614931), (51, 409954), (71, 294474), (102, 204977), (142, 147237), (213, 98158), (426, 49079), (1207, 17322), (2414, 8661), (2887, 7242), (3621, 5774)]