20290746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 49950720

約数和(自身を除く): 29659974

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 57, 94, 114, 133, 141, 266, 282, 329, 399, 541, 658, 798, 893, 987, 1082, 1623, 1786, 1974, 2679, 3246, 3787, 5358, 6251, 7574, 10279, 11361, 12502, 18753, 20558, 22722, 25427, 30837, 37506, 50854, 61674, 71953, 76281, 143906, 152562, 177989, 215859, 355978, 431718, 483113, 533967, 966226, 1067934, 1449339, 2898678, 3381791, 6763582, 10145373, 20290746]

約数ペア:

[(1, 20290746), (2, 10145373), (3, 6763582), (6, 3381791), (7, 2898678), (14, 1449339), (19, 1067934), (21, 966226), (38, 533967), (42, 483113), (47, 431718), (57, 355978), (94, 215859), (114, 177989), (133, 152562), (141, 143906), (266, 76281), (282, 71953), (329, 61674), (399, 50854), (541, 37506), (658, 30837), (798, 25427), (893, 22722), (987, 20558), (1082, 18753), (1623, 12502), (1786, 11361), (1974, 10279), (2679, 7574), (3246, 6251), (3787, 5358)]