20480245872

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10406629}}^1$

素因数の和:10406681

約数の個数: 40

約数和(自身を含む): 54197729040

約数和(自身を除く): 33717483168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10406629, 20813258, 31219887, 41626516, 62439774, 83253032, 124879548, 166506064, 249759096, 426671789, 499518192, 853343578, 1280015367, 1706687156, 2560030734, 3413374312, 5120061468, 6826748624, 10240122936, 20480245872]

約数ペア:

[(1, 20480245872), (2, 10240122936), (3, 6826748624), (4, 5120061468), (6, 3413374312), (8, 2560030734), (12, 1706687156), (16, 1280015367), (24, 853343578), (41, 499518192), (48, 426671789), (82, 249759096), (123, 166506064), (164, 124879548), (246, 83253032), (328, 62439774), (492, 41626516), (656, 31219887), (984, 20813258), (1968, 10406629)]