20423690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41681}}^1$

素因数の和:41702

約数の個数: 24

約数和(自身を含む): 42765732

約数和(自身を除く): 22342042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41681, 83362, 208405, 291767, 416810, 583534, 1458835, 2042369, 2917670, 4084738, 10211845, 20423690]

約数ペア:

[(1, 20423690), (2, 10211845), (5, 4084738), (7, 2917670), (10, 2042369), (14, 1458835), (35, 583534), (49, 416810), (70, 291767), (98, 208405), (245, 83362), (490, 41681)]