20537568

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2504

約数の個数: 72

約数和(自身を含む): 60442200

約数和(自身を除く): 39904632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2459, 2784, 4176, 4918, 7377, 8352, 9836, 14754, 19672, 22131, 29508, 39344, 44262, 59016, 71311, 78688, 88524, 118032, 142622, 177048, 213933, 236064, 285244, 354096, 427866, 570488, 641799, 708192, 855732, 1140976, 1283598, 1711464, 2281952, 2567196, 3422928, 5134392, 6845856, 10268784, 20537568]

約数ペア:

[(1, 20537568), (2, 10268784), (3, 6845856), (4, 5134392), (6, 3422928), (8, 2567196), (9, 2281952), (12, 1711464), (16, 1283598), (18, 1140976), (24, 855732), (29, 708192), (32, 641799), (36, 570488), (48, 427866), (58, 354096), (72, 285244), (87, 236064), (96, 213933), (116, 177048), (144, 142622), (174, 118032), (232, 88524), (261, 78688), (288, 71311), (348, 59016), (464, 44262), (522, 39344), (696, 29508), (928, 22131), (1044, 19672), (1392, 14754), (2088, 9836), (2459, 8352), (2784, 7377), (4176, 4918)]