20744045

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 30177792

約数和(自身を除く): 9433747

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 353, 365, 511, 805, 1679, 1765, 2471, 2555, 8119, 8395, 11753, 12355, 25769, 40595, 56833, 58765, 128845, 180383, 284165, 592687, 901915, 2963435, 4148809, 20744045]

約数ペア:

[(1, 20744045), (5, 4148809), (7, 2963435), (23, 901915), (35, 592687), (73, 284165), (115, 180383), (161, 128845), (353, 58765), (365, 56833), (511, 40595), (805, 25769), (1679, 12355), (1765, 11753), (2471, 8395), (2555, 8119)]