16636540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 20703812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 293, 334, 340, 586, 668, 835, 1172, 1465, 1670, 2839, 2930, 3340, 4981, 5678, 5860, 9962, 11356, 14195, 19924, 24905, 28390, 48931, 49810, 56780, 97862, 99620, 195724, 244655, 489310, 831827, 978620, 1663654, 3327308, 4159135, 8318270, 16636540]

約数ペア:

[(1, 16636540), (2, 8318270), (4, 4159135), (5, 3327308), (10, 1663654), (17, 978620), (20, 831827), (34, 489310), (68, 244655), (85, 195724), (167, 99620), (170, 97862), (293, 56780), (334, 49810), (340, 48931), (586, 28390), (668, 24905), (835, 19924), (1172, 14195), (1465, 11356), (1670, 9962), (2839, 5860), (2930, 5678), (3340, 4981)]