16820370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{26699}}^1$

素因数の和:26719

約数の個数: 48

約数和(自身を含む): 49982400

約数和(自身を除く): 33162030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 26699, 53398, 80097, 133495, 160194, 186893, 240291, 266990, 373786, 400485, 480582, 560679, 800970, 934465, 1121358, 1201455, 1682037, 1868930, 2402910, 2803395, 3364074, 5606790, 8410185, 16820370]

約数ペア:

[(1, 16820370), (2, 8410185), (3, 5606790), (5, 3364074), (6, 2803395), (7, 2402910), (9, 1868930), (10, 1682037), (14, 1201455), (15, 1121358), (18, 934465), (21, 800970), (30, 560679), (35, 480582), (42, 400485), (45, 373786), (63, 266990), (70, 240291), (90, 186893), (105, 160194), (126, 133495), (210, 80097), (315, 53398), (630, 26699)]