16968940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 38227392

約数和(自身を除く): 21258452

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 997, 1702, 1994, 3404, 3988, 4255, 4985, 8510, 9970, 17020, 19940, 22931, 36889, 45862, 73778, 91724, 114655, 147556, 184445, 229310, 368890, 458620, 737780, 848447, 1696894, 3393788, 4242235, 8484470, 16968940]

約数ペア:

[(1, 16968940), (2, 8484470), (4, 4242235), (5, 3393788), (10, 1696894), (20, 848447), (23, 737780), (37, 458620), (46, 368890), (74, 229310), (92, 184445), (115, 147556), (148, 114655), (185, 91724), (230, 73778), (370, 45862), (460, 36889), (740, 22931), (851, 19940), (997, 17020), (1702, 9970), (1994, 8510), (3404, 4985), (3988, 4255)]