20987112962

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{2251}}^1\times {\mathrm{52379}}^1$

素因数の和:54721

約数の個数: 16

約数和(自身を含む): 31849135200

約数和(自身を除く): 10862022238

約数列:

[1, 2, 89, 178, 2251, 4502, 52379, 104758, 200339, 400678, 4661731, 9323462, 117905129, 235810258, 10493556481, 20987112962]

約数ペア:

[(1, 20987112962), (2, 10493556481), (89, 235810258), (178, 117905129), (2251, 9323462), (4502, 4661731), (52379, 400678), (104758, 200339)]