20200300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 44406880

約数和(自身を除く): 24206580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2557, 3950, 5114, 7900, 10228, 12785, 25570, 51140, 63925, 127850, 202003, 255700, 404006, 808012, 1010015, 2020030, 4040060, 5050075, 10100150, 20200300]

約数ペア:

[(1, 20200300), (2, 10100150), (4, 5050075), (5, 4040060), (10, 2020030), (20, 1010015), (25, 808012), (50, 404006), (79, 255700), (100, 202003), (158, 127850), (316, 63925), (395, 51140), (790, 25570), (1580, 12785), (1975, 10228), (2557, 7900), (3950, 5114)]