20459850974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4997521}}^1$

素因数の和:4997635

約数の個数: 16

約数和(自身を含む): 32383942560

約数和(自身を除く): 11924091586

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 4997521, 9995042, 114942983, 229885966, 444779369, 889558738, 10229925487, 20459850974]

約数ペア:

[(1, 20459850974), (2, 10229925487), (23, 889558738), (46, 444779369), (89, 229885966), (178, 114942983), (2047, 9995042), (4094, 4997521)]