20750248

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 40030920

約数和(自身を除く): 19280672

約数列:

[1, 2, 4, 8, 61, 101, 122, 202, 244, 404, 421, 488, 808, 842, 1684, 3368, 6161, 12322, 24644, 25681, 42521, 49288, 51362, 85042, 102724, 170084, 205448, 340168, 2593781, 5187562, 10375124, 20750248]

約数ペア:

[(1, 20750248), (2, 10375124), (4, 5187562), (8, 2593781), (61, 340168), (101, 205448), (122, 170084), (202, 102724), (244, 85042), (404, 51362), (421, 49288), (488, 42521), (808, 25681), (842, 24644), (1684, 12322), (3368, 6161)]