20219898

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{146521}}^1$

素因数の和:146549

約数の個数: 16

約数和(自身を含む): 42198336

約数和(自身を除く): 21978438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 146521, 293042, 439563, 879126, 3369983, 6739966, 10109949, 20219898]

約数ペア:

[(1, 20219898), (2, 10109949), (3, 6739966), (6, 3369983), (23, 879126), (46, 439563), (69, 293042), (138, 146521)]