20633888

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{73}}^2$

素因数の和:178

約数の個数: 54

約数和(自身を含む): 45271737

約数和(自身を除く): 24637849

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 73, 88, 121, 146, 176, 242, 292, 352, 484, 584, 803, 968, 1168, 1606, 1936, 2336, 3212, 3872, 5329, 6424, 8833, 10658, 12848, 17666, 21316, 25696, 35332, 42632, 58619, 70664, 85264, 117238, 141328, 170528, 234476, 282656, 468952, 644809, 937904, 1289618, 1875808, 2579236, 5158472, 10316944, 20633888]

約数ペア:

[(1, 20633888), (2, 10316944), (4, 5158472), (8, 2579236), (11, 1875808), (16, 1289618), (22, 937904), (32, 644809), (44, 468952), (73, 282656), (88, 234476), (121, 170528), (146, 141328), (176, 117238), (242, 85264), (292, 70664), (352, 58619), (484, 42632), (584, 35332), (803, 25696), (968, 21316), (1168, 17666), (1606, 12848), (1936, 10658), (2336, 8833), (3212, 6424), (3872, 5329)]