20613888

素因数分解:

$2^8\times 3^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 108

約数和(自身を含む): 62178480

約数和(自身を除く): 41564592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 389, 414, 552, 576, 736, 768, 778, 828, 1104, 1152, 1167, 1472, 1556, 1656, 2208, 2304, 2334, 2944, 3112, 3312, 3501, 4416, 4668, 5888, 6224, 6624, 7002, 8832, 8947, 9336, 12448, 13248, 14004, 17664, 17894, 18672, 24896, 26496, 26841, 28008, 35788, 37344, 49792, 52992, 53682, 56016, 71576, 74688, 80523, 99584, 107364, 112032, 143152, 149376, 161046, 214728, 224064, 286304, 298752, 322092, 429456, 448128, 572608, 644184, 858912, 896256, 1145216, 1288368, 1717824, 2290432, 2576736, 3435648, 5153472, 6871296, 10306944, 20613888]

約数ペア:

[(1, 20613888), (2, 10306944), (3, 6871296), (4, 5153472), (6, 3435648), (8, 2576736), (9, 2290432), (12, 1717824), (16, 1288368), (18, 1145216), (23, 896256), (24, 858912), (32, 644184), (36, 572608), (46, 448128), (48, 429456), (64, 322092), (69, 298752), (72, 286304), (92, 224064), (96, 214728), (128, 161046), (138, 149376), (144, 143152), (184, 112032), (192, 107364), (207, 99584), (256, 80523), (276, 74688), (288, 71576), (368, 56016), (384, 53682), (389, 52992), (414, 49792), (552, 37344), (576, 35788), (736, 28008), (768, 26841), (778, 26496), (828, 24896), (1104, 18672), (1152, 17894), (1167, 17664), (1472, 14004), (1556, 13248), (1656, 12448), (2208, 9336), (2304, 8947), (2334, 8832), (2944, 7002), (3112, 6624), (3312, 6224), (3501, 5888), (4416, 4668)]