20021300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15401}}^1$

素因数の和:15428

約数の個数: 36

約数和(自身を含む): 46791276

約数和(自身を除く): 26769976

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15401, 30802, 61604, 77005, 154010, 200213, 308020, 385025, 400426, 770050, 800852, 1001065, 1540100, 2002130, 4004260, 5005325, 10010650, 20021300]

約数ペア:

[(1, 20021300), (2, 10010650), (4, 5005325), (5, 4004260), (10, 2002130), (13, 1540100), (20, 1001065), (25, 800852), (26, 770050), (50, 400426), (52, 385025), (65, 308020), (100, 200213), (130, 154010), (260, 77005), (325, 61604), (650, 30802), (1300, 15401)]