20081154530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{207643}}^1$

素因数の和:208178

約数の個数: 32

約数和(自身を含む): 38123438400

約数和(自身を除く): 18042283870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 509, 1018, 2545, 5090, 9671, 19342, 48355, 96710, 207643, 415286, 1038215, 2076430, 3945217, 7890434, 19726085, 39452170, 105690287, 211380574, 528451435, 1056902870, 2008115453, 4016230906, 10040577265, 20081154530]

約数ペア:

[(1, 20081154530), (2, 10040577265), (5, 4016230906), (10, 2008115453), (19, 1056902870), (38, 528451435), (95, 211380574), (190, 105690287), (509, 39452170), (1018, 19726085), (2545, 7890434), (5090, 3945217), (9671, 2076430), (19342, 1038215), (48355, 415286), (96710, 207643)]