20005090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16811}}^1$

素因数の和:16842

約数の個数: 32

約数和(自身を含む): 43576704

約数和(自身を除く): 23571614

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16811, 33622, 84055, 117677, 168110, 235354, 285787, 571574, 588385, 1176770, 1428935, 2000509, 2857870, 4001018, 10002545, 20005090]

約数ペア:

[(1, 20005090), (2, 10002545), (5, 4001018), (7, 2857870), (10, 2000509), (14, 1428935), (17, 1176770), (34, 588385), (35, 571574), (70, 285787), (85, 235354), (119, 168110), (170, 117677), (238, 84055), (595, 33622), (1190, 16811)]