20242.0000000

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 24131520

約数和(自身を除く): 14311528

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 47, 49, 52, 56, 82, 91, 94, 98, 104, 164, 182, 188, 196, 287, 328, 329, 364, 376, 392, 533, 574, 611, 637, 658, 728, 1066, 1148, 1222, 1274, 1316, 1927, 2009, 2132, 2296, 2303, 2444, 2548, 2632, 3731, 3854, 4018, 4264, 4277, 4606, 4888, 5096, 7462, 7708, 8036, 8554, 9212, 13489, 14924, 15416, 16072, 17108, 18424, 25051, 26117, 26978, 29848, 29939, 34216, 50102, 52234, 53956, 59878, 94423, 100204, 104468, 107912, 119756, 175357, 188846, 200408, 208936, 239512, 350714, 377692, 701428, 755384, 1227499, 1402856, 2454998, 4909996, 9819992]

約数ペア:

[(1, 9819992), (2, 4909996), (4, 2454998), (7, 1402856), (8, 1227499), (13, 755384), (14, 701428), (26, 377692), (28, 350714), (41, 239512), (47, 208936), (49, 200408), (52, 188846), (56, 175357), (82, 119756), (91, 107912), (94, 104468), (98, 100204), (104, 94423), (164, 59878), (182, 53956), (188, 52234), (196, 50102), (287, 34216), (328, 29939), (329, 29848), (364, 26978), (376, 26117), (392, 25051), (533, 18424), (574, 17108), (611, 16072), (637, 15416), (658, 14924), (728, 13489), (1066, 9212), (1148, 8554), (1222, 8036), (1274, 7708), (1316, 7462), (1927, 5096), (2009, 4888), (2132, 4606), (2296, 4277), (2303, 4264), (2444, 4018), (2548, 3854), (2632, 3731)]