20294403

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 28317600

約数和(自身を除く): 8023197

約数列:

[1, 3, 29, 87, 89, 267, 2581, 2621, 7743, 7863, 76009, 228027, 233269, 699807, 6764801, 20294403]

約数ペア:

[(1, 20294403), (3, 6764801), (29, 699807), (87, 233269), (89, 228027), (267, 76009), (2581, 7863), (2621, 7743)]