22011940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 49505904

約数和(自身を除く): 27493964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 641, 1010, 1282, 1717, 2020, 2564, 3205, 3434, 6410, 6868, 8585, 10897, 12820, 17170, 21794, 34340, 43588, 54485, 64741, 108970, 129482, 217940, 258964, 323705, 647410, 1100597, 1294820, 2201194, 4402388, 5502985, 11005970, 22011940]

約数ペア:

[(1, 22011940), (2, 11005970), (4, 5502985), (5, 4402388), (10, 2201194), (17, 1294820), (20, 1100597), (34, 647410), (68, 323705), (85, 258964), (101, 217940), (170, 129482), (202, 108970), (340, 64741), (404, 54485), (505, 43588), (641, 34340), (1010, 21794), (1282, 17170), (1717, 12820), (2020, 10897), (2564, 8585), (3205, 6868), (3434, 6410)]