20494230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15887}}^1$

素因数の和:15940

約数の個数: 32

約数和(自身を含む): 50333184

約数和(自身を除く): 29838954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15887, 31774, 47661, 79435, 95322, 158870, 238305, 476610, 683141, 1366282, 2049423, 3415705, 4098846, 6831410, 10247115, 20494230]

約数ペア:

[(1, 20494230), (2, 10247115), (3, 6831410), (5, 4098846), (6, 3415705), (10, 2049423), (15, 1366282), (30, 683141), (43, 476610), (86, 238305), (129, 158870), (215, 95322), (258, 79435), (430, 47661), (645, 31774), (1290, 15887)]