20130508

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 36401904

約数和(自身を除く): 16271396

約数列:

[1, 2, 4, 41, 82, 131, 164, 262, 524, 937, 1874, 3748, 5371, 10742, 21484, 38417, 76834, 122747, 153668, 245494, 490988, 5032627, 10065254, 20130508]

約数ペア:

[(1, 20130508), (2, 10065254), (4, 5032627), (41, 490988), (82, 245494), (131, 153668), (164, 122747), (262, 76834), (524, 38417), (937, 21484), (1874, 10742), (3748, 5371)]