20951210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1307}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 43320960

約数和(自身を除く): 22369750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1307, 1603, 2290, 2614, 3206, 6535, 8015, 9149, 13070, 16030, 18298, 45745, 91490, 299303, 598606, 1496515, 2095121, 2993030, 4190242, 10475605, 20951210]

約数ペア:

[(1, 20951210), (2, 10475605), (5, 4190242), (7, 2993030), (10, 2095121), (14, 1496515), (35, 598606), (70, 299303), (229, 91490), (458, 45745), (1145, 18298), (1307, 16030), (1603, 13070), (2290, 9149), (2614, 8015), (3206, 6535)]