20690166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16987}}^1$

素因数の和:17028

約数の個数: 32

約数和(自身を含む): 48925440

約数和(自身を除く): 28235274

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16987, 33974, 50961, 101922, 118909, 237818, 356727, 492623, 713454, 985246, 1477869, 2955738, 3448361, 6896722, 10345083, 20690166]

約数ペア:

[(1, 20690166), (2, 10345083), (3, 6896722), (6, 3448361), (7, 2955738), (14, 1477869), (21, 985246), (29, 713454), (42, 492623), (58, 356727), (87, 237818), (174, 118909), (203, 101922), (406, 50961), (609, 33974), (1218, 16987)]