20512946488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{188941}}^1$

素因数の和:189319

約数の個数: 32

約数和(自身を含む): 39519108720

約数和(自身を除く): 19006162232

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 331, 662, 1324, 2648, 13571, 27142, 54284, 108568, 188941, 377882, 755764, 1511528, 7746581, 15493162, 30986324, 61972648, 62539471, 125078942, 250157884, 500315768, 2564118311, 5128236622, 10256473244, 20512946488]

約数ペア:

[(1, 20512946488), (2, 10256473244), (4, 5128236622), (8, 2564118311), (41, 500315768), (82, 250157884), (164, 125078942), (328, 62539471), (331, 61972648), (662, 30986324), (1324, 15493162), (2648, 7746581), (13571, 1511528), (27142, 755764), (54284, 377882), (108568, 188941)]