20481214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13810946

約数列:

[1, 2, 13, 26, 53, 89, 106, 167, 178, 334, 689, 1157, 1378, 2171, 2314, 4342, 4717, 8851, 9434, 14863, 17702, 29726, 61321, 115063, 122642, 193219, 230126, 386438, 787739, 1575478, 10240607, 20481214]

約数ペア:

[(1, 20481214), (2, 10240607), (13, 1575478), (26, 787739), (53, 386438), (89, 230126), (106, 193219), (167, 122642), (178, 115063), (334, 61321), (689, 29726), (1157, 17702), (1378, 14863), (2171, 9434), (2314, 8851), (4342, 4717)]