20755648

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 56

約数和(自身を含む): 43616880

約数和(自身を除く): 22861232

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 64, 106, 116, 211, 212, 232, 422, 424, 464, 844, 848, 928, 1537, 1688, 1696, 1856, 3074, 3376, 3392, 6119, 6148, 6752, 11183, 12238, 12296, 13504, 22366, 24476, 24592, 44732, 48952, 49184, 89464, 97904, 98368, 178928, 195808, 324307, 357856, 391616, 648614, 715712, 1297228, 2594456, 5188912, 10377824, 20755648]

約数ペア:

[(1, 20755648), (2, 10377824), (4, 5188912), (8, 2594456), (16, 1297228), (29, 715712), (32, 648614), (53, 391616), (58, 357856), (64, 324307), (106, 195808), (116, 178928), (211, 98368), (212, 97904), (232, 89464), (422, 49184), (424, 48952), (464, 44732), (844, 24592), (848, 24476), (928, 22366), (1537, 13504), (1688, 12296), (1696, 12238), (1856, 11183), (3074, 6752), (3376, 6148), (3392, 6119)]