20686704

素因数分解:

$2^4\times 3^1\times {\mathrm{631}}^1\times {\mathrm{683}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 53603712

約数和(自身を除く): 32917008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 631, 683, 1262, 1366, 1893, 2049, 2524, 2732, 3786, 4098, 5048, 5464, 7572, 8196, 10096, 10928, 15144, 16392, 30288, 32784, 430973, 861946, 1292919, 1723892, 2585838, 3447784, 5171676, 6895568, 10343352, 20686704]

約数ペア:

[(1, 20686704), (2, 10343352), (3, 6895568), (4, 5171676), (6, 3447784), (8, 2585838), (12, 1723892), (16, 1292919), (24, 861946), (48, 430973), (631, 32784), (683, 30288), (1262, 16392), (1366, 15144), (1893, 10928), (2049, 10096), (2524, 8196), (2732, 7572), (3786, 5464), (4098, 5048)]