205040908

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{503}}^1\times {\mathrm{1009}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 363454560

約数和(自身を除く): 158413652

約数列:

[1, 2, 4, 101, 202, 404, 503, 1006, 1009, 2012, 2018, 4036, 50803, 101606, 101909, 203212, 203818, 407636, 507527, 1015054, 2030108, 51260227, 102520454, 205040908]

約数ペア:

[(1, 205040908), (2, 102520454), (4, 51260227), (101, 2030108), (202, 1015054), (404, 507527), (503, 407636), (1006, 203818), (1009, 203212), (2012, 101909), (2018, 101606), (4036, 50803)]