20475138

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 42622272

約数和(自身を除く): 22147134

約数列:

[1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 1301, 2602, 2623, 3903, 5246, 7806, 7869, 15738, 55943, 79361, 111886, 158722, 167829, 238083, 335658, 476166, 3412523, 6825046, 10237569, 20475138]

約数ペア:

[(1, 20475138), (2, 10237569), (3, 6825046), (6, 3412523), (43, 476166), (61, 335658), (86, 238083), (122, 167829), (129, 158722), (183, 111886), (258, 79361), (366, 55943), (1301, 15738), (2602, 7869), (2623, 7806), (3903, 5246)]