20774306

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 17214046

約数列:

[1, 2, 7, 14, 17, 34, 119, 191, 238, 382, 457, 914, 1337, 2674, 3199, 3247, 6398, 6494, 7769, 15538, 22729, 45458, 54383, 87287, 108766, 174574, 611009, 1222018, 1483879, 2967758, 10387153, 20774306]

約数ペア:

[(1, 20774306), (2, 10387153), (7, 2967758), (14, 1483879), (17, 1222018), (34, 611009), (119, 174574), (191, 108766), (238, 87287), (382, 54383), (457, 45458), (914, 22729), (1337, 15538), (2674, 7769), (3199, 6494), (3247, 6398)]