20129403833

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{2503}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 27692236800

約数和(自身を除く): 7562832967

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 239, 253, 437, 1463, 1673, 1771, 2503, 2629, 3059, 4541, 4807, 5497, 17521, 18403, 27533, 31787, 33649, 38479, 47557, 49951, 57569, 60467, 104443, 192731, 332899, 349657, 402983, 423269, 523127, 598217, 633259, 731101, 1093811, 1148873, 3661889, 4187519, 4432813, 6580387, 7656677, 8042111, 11366123, 12031921, 13758991, 46062709, 79562861, 84223447, 96312937, 125027353, 151348901, 261420829, 875191471, 1059442307, 1829945803, 2875629119, 20129403833]

約数ペア:

[(1, 20129403833), (7, 2875629119), (11, 1829945803), (19, 1059442307), (23, 875191471), (77, 261420829), (133, 151348901), (161, 125027353), (209, 96312937), (239, 84223447), (253, 79562861), (437, 46062709), (1463, 13758991), (1673, 12031921), (1771, 11366123), (2503, 8042111), (2629, 7656677), (3059, 6580387), (4541, 4432813), (4807, 4187519), (5497, 3661889), (17521, 1148873), (18403, 1093811), (27533, 731101), (31787, 633259), (33649, 598217), (38479, 523127), (47557, 423269), (49951, 402983), (57569, 349657), (60467, 332899), (104443, 192731)]