20299668

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 49319424

約数和(自身を除く): 29019756

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 197, 277, 372, 394, 554, 591, 788, 831, 1108, 1182, 1662, 2364, 3324, 6107, 8587, 12214, 17174, 18321, 24428, 25761, 34348, 36642, 51522, 54569, 73284, 103044, 109138, 163707, 218276, 327414, 654828, 1691639, 3383278, 5074917, 6766556, 10149834, 20299668]

約数ペア:

[(1, 20299668), (2, 10149834), (3, 6766556), (4, 5074917), (6, 3383278), (12, 1691639), (31, 654828), (62, 327414), (93, 218276), (124, 163707), (186, 109138), (197, 103044), (277, 73284), (372, 54569), (394, 51522), (554, 36642), (591, 34348), (788, 25761), (831, 24428), (1108, 18321), (1182, 17174), (1662, 12214), (2364, 8587), (3324, 6107)]