20601856

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 88

約数和(自身を含む): 47162880

約数和(自身を除く): 26561024

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 59, 62, 64, 88, 118, 124, 128, 176, 236, 248, 256, 341, 352, 472, 496, 512, 649, 682, 704, 944, 992, 1024, 1298, 1364, 1408, 1829, 1888, 1984, 2596, 2728, 2816, 3658, 3776, 3968, 5192, 5456, 5632, 7316, 7552, 7936, 10384, 10912, 11264, 14632, 15104, 15872, 20119, 20768, 21824, 29264, 30208, 31744, 40238, 41536, 43648, 58528, 60416, 80476, 83072, 87296, 117056, 160952, 166144, 174592, 234112, 321904, 332288, 349184, 468224, 643808, 664576, 936448, 1287616, 1872896, 2575232, 5150464, 10300928, 20601856]

約数ペア:

[(1, 20601856), (2, 10300928), (4, 5150464), (8, 2575232), (11, 1872896), (16, 1287616), (22, 936448), (31, 664576), (32, 643808), (44, 468224), (59, 349184), (62, 332288), (64, 321904), (88, 234112), (118, 174592), (124, 166144), (128, 160952), (176, 117056), (236, 87296), (248, 83072), (256, 80476), (341, 60416), (352, 58528), (472, 43648), (496, 41536), (512, 40238), (649, 31744), (682, 30208), (704, 29264), (944, 21824), (992, 20768), (1024, 20119), (1298, 15872), (1364, 15104), (1408, 14632), (1829, 11264), (1888, 10912), (1984, 10384), (2596, 7936), (2728, 7552), (2816, 7316), (3658, 5632), (3776, 5456), (3968, 5192)]