20440422

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 26340858

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 509, 582, 873, 1018, 1527, 1746, 2231, 3054, 4462, 4581, 6693, 9162, 11707, 13386, 20079, 23414, 35121, 40158, 49373, 70242, 98746, 105363, 148119, 210726, 296238, 444357, 888714, 1135579, 2271158, 3406737, 6813474, 10220211, 20440422]

約数ペア:

[(1, 20440422), (2, 10220211), (3, 6813474), (6, 3406737), (9, 2271158), (18, 1135579), (23, 888714), (46, 444357), (69, 296238), (97, 210726), (138, 148119), (194, 105363), (207, 98746), (291, 70242), (414, 49373), (509, 40158), (582, 35121), (873, 23414), (1018, 20079), (1527, 13386), (1746, 11707), (2231, 9162), (3054, 6693), (4462, 4581)]