20309004

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 53668160

約数和(自身を除く): 33359156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 158, 193, 222, 237, 316, 333, 386, 444, 474, 579, 666, 711, 772, 948, 1158, 1332, 1422, 1737, 2316, 2844, 2923, 3474, 5846, 6948, 7141, 8769, 11692, 14282, 15247, 17538, 21423, 26307, 28564, 30494, 35076, 42846, 45741, 52614, 60988, 64269, 85692, 91482, 105228, 128538, 137223, 182964, 257076, 274446, 548892, 564139, 1128278, 1692417, 2256556, 3384834, 5077251, 6769668, 10154502, 20309004]

約数ペア:

[(1, 20309004), (2, 10154502), (3, 6769668), (4, 5077251), (6, 3384834), (9, 2256556), (12, 1692417), (18, 1128278), (36, 564139), (37, 548892), (74, 274446), (79, 257076), (111, 182964), (148, 137223), (158, 128538), (193, 105228), (222, 91482), (237, 85692), (316, 64269), (333, 60988), (386, 52614), (444, 45741), (474, 42846), (579, 35076), (666, 30494), (711, 28564), (772, 26307), (948, 21423), (1158, 17538), (1332, 15247), (1422, 14282), (1737, 11692), (2316, 8769), (2844, 7141), (2923, 6948), (3474, 5846)]