20377430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2423}}^1$

素因数の和:2488

約数の個数: 24

約数和(自身を含む): 38003472

約数和(自身を除く): 17626042

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2423, 4205, 4846, 8410, 12115, 24230, 70267, 140534, 351335, 702670, 2037743, 4075486, 10188715, 20377430]

約数ペア:

[(1, 20377430), (2, 10188715), (5, 4075486), (10, 2037743), (29, 702670), (58, 351335), (145, 140534), (290, 70267), (841, 24230), (1682, 12115), (2423, 8410), (4205, 4846)]