20091558

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 24324954

約数列:

[1, 2, 3, 6, 23, 41, 46, 53, 67, 69, 82, 106, 123, 134, 138, 159, 201, 246, 318, 402, 943, 1219, 1541, 1886, 2173, 2438, 2747, 2829, 3082, 3551, 3657, 4346, 4623, 5494, 5658, 6519, 7102, 7314, 8241, 9246, 10653, 13038, 16482, 21306, 49979, 63181, 81673, 99958, 126362, 145591, 149937, 163346, 189543, 245019, 291182, 299874, 379086, 436773, 490038, 873546, 3348593, 6697186, 10045779, 20091558]

約数ペア:

[(1, 20091558), (2, 10045779), (3, 6697186), (6, 3348593), (23, 873546), (41, 490038), (46, 436773), (53, 379086), (67, 299874), (69, 291182), (82, 245019), (106, 189543), (123, 163346), (134, 149937), (138, 145591), (159, 126362), (201, 99958), (246, 81673), (318, 63181), (402, 49979), (943, 21306), (1219, 16482), (1541, 13038), (1886, 10653), (2173, 9246), (2438, 8241), (2747, 7314), (2829, 7102), (3082, 6519), (3551, 5658), (3657, 5494), (4346, 4623)]