20481408

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 96

約数和(自身を含む): 61579440

約数和(自身を除く): 41098032

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, 276, 288, 368, 384, 414, 552, 576, 736, 773, 828, 1104, 1152, 1472, 1546, 1656, 2208, 2319, 2944, 3092, 3312, 4416, 4638, 6184, 6624, 6957, 8832, 9276, 12368, 13248, 13914, 17779, 18552, 24736, 26496, 27828, 35558, 37104, 49472, 53337, 55656, 71116, 74208, 98944, 106674, 111312, 142232, 148416, 160011, 213348, 222624, 284464, 296832, 320022, 426696, 445248, 568928, 640044, 853392, 890496, 1137856, 1280088, 1706784, 2275712, 2560176, 3413568, 5120352, 6827136, 10240704, 20481408]

約数ペア:

[(1, 20481408), (2, 10240704), (3, 6827136), (4, 5120352), (6, 3413568), (8, 2560176), (9, 2275712), (12, 1706784), (16, 1280088), (18, 1137856), (23, 890496), (24, 853392), (32, 640044), (36, 568928), (46, 445248), (48, 426696), (64, 320022), (69, 296832), (72, 284464), (92, 222624), (96, 213348), (128, 160011), (138, 148416), (144, 142232), (184, 111312), (192, 106674), (207, 98944), (276, 74208), (288, 71116), (368, 55656), (384, 53337), (414, 49472), (552, 37104), (576, 35558), (736, 27828), (773, 26496), (828, 24736), (1104, 18552), (1152, 17779), (1472, 13914), (1546, 13248), (1656, 12368), (2208, 9276), (2319, 8832), (2944, 6957), (3092, 6624), (3312, 6184), (4416, 4638)]