20697888

素因数分解:

$2^5\times 3^1\times {\mathrm{149}}^1\times {\mathrm{1447}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 54734400

約数和(自身を除く): 34036512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 149, 298, 447, 596, 894, 1192, 1447, 1788, 2384, 2894, 3576, 4341, 4768, 5788, 7152, 8682, 11576, 14304, 17364, 23152, 34728, 46304, 69456, 138912, 215603, 431206, 646809, 862412, 1293618, 1724824, 2587236, 3449648, 5174472, 6899296, 10348944, 20697888]

約数ペア:

[(1, 20697888), (2, 10348944), (3, 6899296), (4, 5174472), (6, 3449648), (8, 2587236), (12, 1724824), (16, 1293618), (24, 862412), (32, 646809), (48, 431206), (96, 215603), (149, 138912), (298, 69456), (447, 46304), (596, 34728), (894, 23152), (1192, 17364), (1447, 14304), (1788, 11576), (2384, 8682), (2894, 7152), (3576, 5788), (4341, 4768)]