20221784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 23807656

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 97, 103, 184, 194, 206, 253, 388, 412, 506, 776, 824, 1012, 1067, 1133, 2024, 2134, 2231, 2266, 2369, 4268, 4462, 4532, 4738, 8536, 8924, 9064, 9476, 9991, 17848, 18952, 19982, 24541, 26059, 39964, 49082, 52118, 79928, 98164, 104236, 109901, 196328, 208472, 219802, 229793, 439604, 459586, 879208, 919172, 1838344, 2527723, 5055446, 10110892, 20221784]

約数ペア:

[(1, 20221784), (2, 10110892), (4, 5055446), (8, 2527723), (11, 1838344), (22, 919172), (23, 879208), (44, 459586), (46, 439604), (88, 229793), (92, 219802), (97, 208472), (103, 196328), (184, 109901), (194, 104236), (206, 98164), (253, 79928), (388, 52118), (412, 49082), (506, 39964), (776, 26059), (824, 24541), (1012, 19982), (1067, 18952), (1133, 17848), (2024, 9991), (2134, 9476), (2231, 9064), (2266, 8924), (2369, 8536), (4268, 4738), (4462, 4532)]