20149110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 52818480

約数和(自身を除く): 32669370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1709, 1965, 2358, 3418, 3930, 5127, 5895, 8545, 10254, 11790, 15381, 17090, 25635, 30762, 51270, 76905, 153810, 223879, 447758, 671637, 1119395, 1343274, 2014911, 2238790, 3358185, 4029822, 6716370, 10074555, 20149110]

約数ペア:

[(1, 20149110), (2, 10074555), (3, 6716370), (5, 4029822), (6, 3358185), (9, 2238790), (10, 2014911), (15, 1343274), (18, 1119395), (30, 671637), (45, 447758), (90, 223879), (131, 153810), (262, 76905), (393, 51270), (655, 30762), (786, 25635), (1179, 17090), (1310, 15381), (1709, 11790), (1965, 10254), (2358, 8545), (3418, 5895), (3930, 5127)]