20952954

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 53374464

約数和(自身を除く): 32421510

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 43, 46, 66, 69, 86, 99, 107, 129, 138, 198, 207, 214, 253, 258, 321, 387, 414, 473, 506, 642, 759, 774, 946, 963, 989, 1177, 1419, 1518, 1926, 1978, 2277, 2354, 2461, 2838, 2967, 3531, 4257, 4554, 4601, 4922, 5934, 7062, 7383, 8514, 8901, 9202, 10593, 10879, 13803, 14766, 17802, 21186, 21758, 22149, 27071, 27606, 32637, 41409, 44298, 50611, 54142, 65274, 81213, 82818, 97911, 101222, 105823, 151833, 162426, 195822, 211646, 243639, 303666, 317469, 455499, 487278, 634938, 910998, 952407, 1164053, 1904814, 2328106, 3492159, 6984318, 10476477, 20952954]

約数ペア:

[(1, 20952954), (2, 10476477), (3, 6984318), (6, 3492159), (9, 2328106), (11, 1904814), (18, 1164053), (22, 952407), (23, 910998), (33, 634938), (43, 487278), (46, 455499), (66, 317469), (69, 303666), (86, 243639), (99, 211646), (107, 195822), (129, 162426), (138, 151833), (198, 105823), (207, 101222), (214, 97911), (253, 82818), (258, 81213), (321, 65274), (387, 54142), (414, 50611), (473, 44298), (506, 41409), (642, 32637), (759, 27606), (774, 27071), (946, 22149), (963, 21758), (989, 21186), (1177, 17802), (1419, 14766), (1518, 13803), (1926, 10879), (1978, 10593), (2277, 9202), (2354, 8901), (2461, 8514), (2838, 7383), (2967, 7062), (3531, 5934), (4257, 4922), (4554, 4601)]