20105940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7793}}^1$

素因数の和:7848

約数の個数: 48

約数和(自身を含む): 57613248

約数和(自身を除く): 37507308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7793, 15586, 23379, 31172, 38965, 46758, 77930, 93516, 116895, 155860, 233790, 335099, 467580, 670198, 1005297, 1340396, 1675495, 2010594, 3350990, 4021188, 5026485, 6701980, 10052970, 20105940]

約数ペア:

[(1, 20105940), (2, 10052970), (3, 6701980), (4, 5026485), (5, 4021188), (6, 3350990), (10, 2010594), (12, 1675495), (15, 1340396), (20, 1005297), (30, 670198), (43, 467580), (60, 335099), (86, 233790), (129, 155860), (172, 116895), (215, 93516), (258, 77930), (430, 46758), (516, 38965), (645, 31172), (860, 23379), (1290, 15586), (2580, 7793)]