20193978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{68687}}^1$

素因数の和:68706

約数の個数: 24

約数和(自身を含む): 46982592

約数和(自身を除く): 26788614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 68687, 137374, 206061, 412122, 480809, 961618, 1442427, 2884854, 3365663, 6731326, 10096989, 20193978]

約数ペア:

[(1, 20193978), (2, 10096989), (3, 6731326), (6, 3365663), (7, 2884854), (14, 1442427), (21, 961618), (42, 480809), (49, 412122), (98, 206061), (147, 137374), (294, 68687)]