4020784

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{3181}}^1$

素因数の和:3268

約数の個数: 20

約数和(自身を含む): 7891360

約数和(自身を除く): 3870576

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 3181, 6362, 12724, 25448, 50896, 251299, 502598, 1005196, 2010392, 4020784]

約数ペア:

[(1, 4020784), (2, 2010392), (4, 1005196), (8, 502598), (16, 251299), (79, 50896), (158, 25448), (316, 12724), (632, 6362), (1264, 3181)]