20724312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 59558400

約数和(自身を除く): 38834088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 439, 562, 843, 878, 1124, 1317, 1686, 1756, 1967, 2248, 2634, 3073, 3372, 3512, 3934, 5268, 5901, 6146, 6744, 7868, 9219, 10536, 11802, 12292, 15736, 18438, 23604, 24584, 36876, 47208, 73752, 123359, 246718, 370077, 493436, 740154, 863513, 986872, 1480308, 1727026, 2590539, 2960616, 3454052, 5181078, 6908104, 10362156, 20724312]

約数ペア:

[(1, 20724312), (2, 10362156), (3, 6908104), (4, 5181078), (6, 3454052), (7, 2960616), (8, 2590539), (12, 1727026), (14, 1480308), (21, 986872), (24, 863513), (28, 740154), (42, 493436), (56, 370077), (84, 246718), (168, 123359), (281, 73752), (439, 47208), (562, 36876), (843, 24584), (878, 23604), (1124, 18438), (1317, 15736), (1686, 12292), (1756, 11802), (1967, 10536), (2248, 9219), (2634, 7868), (3073, 6744), (3372, 6146), (3512, 5901), (3934, 5268)]