20512884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4139}}^1$

素因数の和:4212

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 35128716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 4139, 4956, 8278, 12417, 16556, 24834, 28973, 49668, 57946, 86919, 115892, 173838, 244201, 347676, 488402, 732603, 976804, 1465206, 1709407, 2930412, 3418814, 5128221, 6837628, 10256442, 20512884]

約数ペア:

[(1, 20512884), (2, 10256442), (3, 6837628), (4, 5128221), (6, 3418814), (7, 2930412), (12, 1709407), (14, 1465206), (21, 976804), (28, 732603), (42, 488402), (59, 347676), (84, 244201), (118, 173838), (177, 115892), (236, 86919), (354, 57946), (413, 49668), (708, 28973), (826, 24834), (1239, 16556), (1652, 12417), (2478, 8278), (4139, 4956)]