20113485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 36986880

約数和(自身を除く): 16873395

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 859, 1115, 1561, 2577, 3345, 4295, 4683, 6013, 7805, 12885, 18039, 23415, 30065, 90195, 191557, 574671, 957785, 1340899, 2873355, 4022697, 6704495, 20113485]

約数ペア:

[(1, 20113485), (3, 6704495), (5, 4022697), (7, 2873355), (15, 1340899), (21, 957785), (35, 574671), (105, 191557), (223, 90195), (669, 30065), (859, 23415), (1115, 18039), (1561, 12885), (2577, 7805), (3345, 6013), (4295, 4683)]