20733944

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 28375816

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 97, 154, 194, 308, 347, 388, 616, 679, 694, 776, 1067, 1358, 1388, 2134, 2429, 2716, 2776, 3817, 4268, 4858, 5432, 7469, 7634, 8536, 9716, 14938, 15268, 19432, 26719, 29876, 30536, 33659, 53438, 59752, 67318, 106876, 134636, 213752, 235613, 269272, 370249, 471226, 740498, 942452, 1480996, 1884904, 2591743, 2961992, 5183486, 10366972, 20733944]

約数ペア:

[(1, 20733944), (2, 10366972), (4, 5183486), (7, 2961992), (8, 2591743), (11, 1884904), (14, 1480996), (22, 942452), (28, 740498), (44, 471226), (56, 370249), (77, 269272), (88, 235613), (97, 213752), (154, 134636), (194, 106876), (308, 67318), (347, 59752), (388, 53438), (616, 33659), (679, 30536), (694, 29876), (776, 26719), (1067, 19432), (1358, 15268), (1388, 14938), (2134, 9716), (2429, 8536), (2716, 7634), (2776, 7469), (3817, 5432), (4268, 4858)]