20563740904

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3249643}}^1$

素因数の和:3249769

約数の個数: 32

約数和(自身を含む): 44455129920

約数和(自身を除く): 23891389016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 3249643, 6499286, 12998572, 22747501, 25997144, 45495002, 90990004, 181980008, 367209659, 734419318, 1468838636, 2570467613, 2937677272, 5140935226, 10281870452, 20563740904]

約数ペア:

[(1, 20563740904), (2, 10281870452), (4, 5140935226), (7, 2937677272), (8, 2570467613), (14, 1468838636), (28, 734419318), (56, 367209659), (113, 181980008), (226, 90990004), (452, 45495002), (791, 25997144), (904, 22747501), (1582, 12998572), (3164, 6499286), (6328, 3249643)]