20178070070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28419817}}^1$

素因数の和:28419895

約数の個数: 16

約数和(自身を含む): 36832084128

約数和(自身を除く): 16654014058

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28419817, 56839634, 142099085, 284198170, 2017807007, 4035614014, 10089035035, 20178070070]

約数ペア:

[(1, 20178070070), (2, 10089035035), (5, 4035614014), (10, 2017807007), (71, 284198170), (142, 142099085), (355, 56839634), (710, 28419817)]