20777638

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 38306304

約数和(自身を除く): 17528666

約数列:

[1, 2, 7, 14, 17, 34, 67, 119, 134, 238, 469, 938, 1139, 1303, 2278, 2606, 7973, 9121, 15946, 18242, 22151, 44302, 87301, 155057, 174602, 310114, 611107, 1222214, 1484117, 2968234, 10388819, 20777638]

約数ペア:

[(1, 20777638), (2, 10388819), (7, 2968234), (14, 1484117), (17, 1222214), (34, 611107), (67, 310114), (119, 174602), (134, 155057), (238, 87301), (469, 44302), (938, 22151), (1139, 18242), (1303, 15946), (2278, 9121), (2606, 7973)]