20618301573

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{788071}}^1$

素因数の和:788119

約数の個数: 40

約数和(自身を含む): 34328416320

約数和(自身を除く): 13710114747

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1539, 2907, 8721, 26163, 788071, 2364213, 7092639, 13397207, 14973349, 21277917, 40191621, 44920047, 63833751, 120574863, 134760141, 254546933, 361724589, 404280423, 763640799, 1085173767, 1212841269, 2290922397, 6872767191, 20618301573]

約数ペア:

[(1, 20618301573), (3, 6872767191), (9, 2290922397), (17, 1212841269), (19, 1085173767), (27, 763640799), (51, 404280423), (57, 361724589), (81, 254546933), (153, 134760141), (171, 120574863), (323, 63833751), (459, 44920047), (513, 40191621), (969, 21277917), (1377, 14973349), (1539, 13397207), (2907, 7092639), (8721, 2364213), (26163, 788071)]