20165511178

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{4339}}^1\times {\mathrm{27997}}^1$

素因数の和:32421

約数の個数: 16

約数和(自身を含む): 30620852640

約数和(自身を除く): 10455341462

約数列:

[1, 2, 83, 166, 4339, 8678, 27997, 55994, 360137, 720274, 2323751, 4647502, 121478983, 242957966, 10082755589, 20165511178]

約数ペア:

[(1, 20165511178), (2, 10082755589), (83, 242957966), (166, 121478983), (4339, 4647502), (8678, 2323751), (27997, 720274), (55994, 360137)]