20206799320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{45887}}^1$

素因数の和:46108

約数の個数: 64

約数和(自身を含む): 46337702400

約数和(自身を除く): 26130903080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 109, 202, 218, 404, 436, 505, 545, 808, 872, 1010, 1090, 2020, 2180, 4040, 4360, 11009, 22018, 44036, 45887, 55045, 88072, 91774, 110090, 183548, 220180, 229435, 367096, 440360, 458870, 917740, 1835480, 4634587, 5001683, 9269174, 10003366, 18538348, 20006732, 23172935, 25008415, 37076696, 40013464, 46345870, 50016830, 92691740, 100033660, 185383480, 200067320, 505169983, 1010339966, 2020679932, 2525849915, 4041359864, 5051699830, 10103399660, 20206799320]

約数ペア:

[(1, 20206799320), (2, 10103399660), (4, 5051699830), (5, 4041359864), (8, 2525849915), (10, 2020679932), (20, 1010339966), (40, 505169983), (101, 200067320), (109, 185383480), (202, 100033660), (218, 92691740), (404, 50016830), (436, 46345870), (505, 40013464), (545, 37076696), (808, 25008415), (872, 23172935), (1010, 20006732), (1090, 18538348), (2020, 10003366), (2180, 9269174), (4040, 5001683), (4360, 4634587), (11009, 1835480), (22018, 917740), (44036, 458870), (45887, 440360), (55045, 367096), (88072, 229435), (91774, 220180), (110090, 183548)]