20291776

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2281}}^1$

素因数の和:2432

約数の個数: 28

約数和(自身を含む): 40573960

約数和(自身を除く): 20282184

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2281, 4448, 4562, 8896, 9124, 18248, 36496, 72992, 145984, 317059, 634118, 1268236, 2536472, 5072944, 10145888, 20291776]

約数ペア:

[(1, 20291776), (2, 10145888), (4, 5072944), (8, 2536472), (16, 1268236), (32, 634118), (64, 317059), (139, 145984), (278, 72992), (556, 36496), (1112, 18248), (2224, 9124), (2281, 8896), (4448, 4562)]