20218191815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{226903}}^1$

素因数の和:227230

約数の個数: 16

約数和(自身を含む): 24701677056

約数和(自身を除く): 4483485241

約数列:

[1, 5, 71, 251, 355, 1255, 17821, 89105, 226903, 1134515, 16110113, 56952653, 80550565, 284763265, 4043638363, 20218191815]

約数ペア:

[(1, 20218191815), (5, 4043638363), (71, 284763265), (251, 80550565), (355, 56952653), (1255, 16110113), (17821, 1134515), (89105, 226903)]