20763264

素因数分解:

$2^7\times 3^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 55692000

約数和(自身を除く): 34928736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 192, 278, 384, 389, 417, 556, 778, 834, 1112, 1167, 1556, 1668, 2224, 2334, 3112, 3336, 4448, 4668, 6224, 6672, 8896, 9336, 12448, 13344, 17792, 18672, 24896, 26688, 37344, 49792, 53376, 54071, 74688, 108142, 149376, 162213, 216284, 324426, 432568, 648852, 865136, 1297704, 1730272, 2595408, 3460544, 5190816, 6921088, 10381632, 20763264]

約数ペア:

[(1, 20763264), (2, 10381632), (3, 6921088), (4, 5190816), (6, 3460544), (8, 2595408), (12, 1730272), (16, 1297704), (24, 865136), (32, 648852), (48, 432568), (64, 324426), (96, 216284), (128, 162213), (139, 149376), (192, 108142), (278, 74688), (384, 54071), (389, 53376), (417, 49792), (556, 37344), (778, 26688), (834, 24896), (1112, 18672), (1167, 17792), (1556, 13344), (1668, 12448), (2224, 9336), (2334, 8896), (3112, 6672), (3336, 6224), (4448, 4668)]