20781675130

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{45503}}^1$

素因数の和:46038

約数の個数: 32

約数和(自身を含む): 37841126400

約数和(自身を除く): 17059451270

約数列:

[1, 2, 5, 10, 109, 218, 419, 545, 838, 1090, 2095, 4190, 45503, 45671, 91006, 91342, 227515, 228355, 455030, 456710, 4959827, 9919654, 19065757, 24799135, 38131514, 49598270, 95328785, 190657570, 2078167513, 4156335026, 10390837565, 20781675130]

約数ペア:

[(1, 20781675130), (2, 10390837565), (5, 4156335026), (10, 2078167513), (109, 190657570), (218, 95328785), (419, 49598270), (545, 38131514), (838, 24799135), (1090, 19065757), (2095, 9919654), (4190, 4959827), (45503, 456710), (45671, 455030), (91006, 228355), (91342, 227515)]