20526276

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 30518844

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 239, 421, 478, 717, 842, 956, 1263, 1434, 1684, 2526, 2868, 4063, 5052, 7157, 8126, 12189, 14314, 16252, 21471, 24378, 28628, 42942, 48756, 85884, 100619, 201238, 301857, 402476, 603714, 1207428, 1710523, 3421046, 5131569, 6842092, 10263138, 20526276]

約数ペア:

[(1, 20526276), (2, 10263138), (3, 6842092), (4, 5131569), (6, 3421046), (12, 1710523), (17, 1207428), (34, 603714), (51, 402476), (68, 301857), (102, 201238), (204, 100619), (239, 85884), (421, 48756), (478, 42942), (717, 28628), (842, 24378), (956, 21471), (1263, 16252), (1434, 14314), (1684, 12189), (2526, 8126), (2868, 7157), (4063, 5052)]