20555974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5021}}^1$

素因数の和:5135

約数の個数: 16

約数和(自身を含む): 32542560

約数和(自身を除く): 11986586

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5021, 10042, 115483, 230966, 446869, 893738, 10277987, 20555974]

約数ペア:

[(1, 20555974), (2, 10277987), (23, 893738), (46, 446869), (89, 230966), (178, 115483), (2047, 10042), (4094, 5021)]