20214420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1693}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 36703980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1693, 1990, 2388, 2985, 3386, 3980, 5079, 5970, 6772, 8465, 10158, 11940, 16930, 20316, 25395, 33860, 50790, 101580, 336907, 673814, 1010721, 1347628, 1684535, 2021442, 3369070, 4042884, 5053605, 6738140, 10107210, 20214420]

約数ペア:

[(1, 20214420), (2, 10107210), (3, 6738140), (4, 5053605), (5, 4042884), (6, 3369070), (10, 2021442), (12, 1684535), (15, 1347628), (20, 1010721), (30, 673814), (60, 336907), (199, 101580), (398, 50790), (597, 33860), (796, 25395), (995, 20316), (1194, 16930), (1693, 11940), (1990, 10158), (2388, 8465), (2985, 6772), (3386, 5970), (3980, 5079)]