20409846898

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{358987}}^1$

素因数の和:359158

約数の個数: 32

約数和(自身を含む): 36392767488

約数和(自身を除く): 15982920590

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 917, 1834, 4061, 8122, 28427, 56854, 358987, 717974, 2512909, 5025818, 11128597, 22257194, 47027297, 77900179, 94054594, 155800358, 329191079, 658382158, 1457846207, 2915692414, 10204923449, 20409846898]

約数ペア:

[(1, 20409846898), (2, 10204923449), (7, 2915692414), (14, 1457846207), (31, 658382158), (62, 329191079), (131, 155800358), (217, 94054594), (262, 77900179), (434, 47027297), (917, 22257194), (1834, 11128597), (4061, 5025818), (8122, 2512909), (28427, 717974), (56854, 358987)]