20743338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 52669440

約数和(自身を除く): 31926102

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 761, 826, 1239, 1298, 1522, 1947, 2283, 2478, 3894, 4543, 4566, 5327, 8371, 9086, 10654, 13629, 15981, 16742, 25113, 27258, 31962, 44899, 50226, 58597, 89798, 117194, 134697, 175791, 269394, 314293, 351582, 493889, 628586, 942879, 987778, 1481667, 1885758, 2963334, 3457223, 6914446, 10371669, 20743338]

約数ペア:

[(1, 20743338), (2, 10371669), (3, 6914446), (6, 3457223), (7, 2963334), (11, 1885758), (14, 1481667), (21, 987778), (22, 942879), (33, 628586), (42, 493889), (59, 351582), (66, 314293), (77, 269394), (118, 175791), (154, 134697), (177, 117194), (231, 89798), (354, 58597), (413, 50226), (462, 44899), (649, 31962), (761, 27258), (826, 25113), (1239, 16742), (1298, 15981), (1522, 13629), (1947, 10654), (2283, 9086), (2478, 8371), (3894, 5327), (4543, 4566)]