20827210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 40120272

約数和(自身を除く): 19293062

約数列:

[1, 2, 5, 10, 17, 34, 85, 101, 170, 202, 505, 1010, 1213, 1717, 2426, 3434, 6065, 8585, 12130, 17170, 20621, 41242, 103105, 122513, 206210, 245026, 612565, 1225130, 2082721, 4165442, 10413605, 20827210]

約数ペア:

[(1, 20827210), (2, 10413605), (5, 4165442), (10, 2082721), (17, 1225130), (34, 612565), (85, 245026), (101, 206210), (170, 122513), (202, 103105), (505, 41242), (1010, 20621), (1213, 17170), (1717, 12130), (2426, 8585), (3434, 6065)]