20074760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4969}}^1$

素因数の和:5081

約数の個数: 32

約数和(自身を含む): 45624600

約数和(自身を除く): 25549840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4969, 9938, 19876, 24845, 39752, 49690, 99380, 198760, 501869, 1003738, 2007476, 2509345, 4014952, 5018690, 10037380, 20074760]

約数ペア:

[(1, 20074760), (2, 10037380), (4, 5018690), (5, 4014952), (8, 2509345), (10, 2007476), (20, 1003738), (40, 501869), (101, 198760), (202, 99380), (404, 49690), (505, 39752), (808, 24845), (1010, 19876), (2020, 9938), (4040, 4969)]