20320543285

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1168183}}^1$

素因数の和:1168273

約数の個数: 24

約数和(自身を含む): 28765362816

約数和(自身を除く): 8444819531

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 17395, 1168183, 5840915, 8177281, 40886405, 57240967, 82940993, 286204835, 414704965, 580586951, 2902934755, 4064108657, 20320543285]

約数ペア:

[(1, 20320543285), (5, 4064108657), (7, 2902934755), (35, 580586951), (49, 414704965), (71, 286204835), (245, 82940993), (355, 57240967), (497, 40886405), (2485, 8177281), (3479, 5840915), (17395, 1168183)]