20855904

素因数分解:

$2^5\times 3^1\times {\mathrm{89}}^1\times {\mathrm{2441}}^1$

素因数の和:2543

約数の個数: 48

約数和(自身を含む): 55384560

約数和(自身を除く): 34528656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 89, 96, 178, 267, 356, 534, 712, 1068, 1424, 2136, 2441, 2848, 4272, 4882, 7323, 8544, 9764, 14646, 19528, 29292, 39056, 58584, 78112, 117168, 217249, 234336, 434498, 651747, 868996, 1303494, 1737992, 2606988, 3475984, 5213976, 6951968, 10427952, 20855904]

約数ペア:

[(1, 20855904), (2, 10427952), (3, 6951968), (4, 5213976), (6, 3475984), (8, 2606988), (12, 1737992), (16, 1303494), (24, 868996), (32, 651747), (48, 434498), (89, 234336), (96, 217249), (178, 117168), (267, 78112), (356, 58584), (534, 39056), (712, 29292), (1068, 19528), (1424, 14646), (2136, 9764), (2441, 8544), (2848, 7323), (4272, 4882)]