12106820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 28038528

約数和(自身を除く): 15931708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 487, 565, 974, 1130, 1243, 1948, 2260, 2435, 2486, 4870, 4972, 5357, 6215, 9740, 10714, 12430, 21428, 24860, 26785, 53570, 55031, 107140, 110062, 220124, 275155, 550310, 605341, 1100620, 1210682, 2421364, 3026705, 6053410, 12106820]

約数ペア:

[(1, 12106820), (2, 6053410), (4, 3026705), (5, 2421364), (10, 1210682), (11, 1100620), (20, 605341), (22, 550310), (44, 275155), (55, 220124), (110, 110062), (113, 107140), (220, 55031), (226, 53570), (452, 26785), (487, 24860), (565, 21428), (974, 12430), (1130, 10714), (1243, 9740), (1948, 6215), (2260, 5357), (2435, 4972), (2486, 4870)]