20180887904

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{1229}}^1\times {\mathrm{16553}}^1$

素因数の和:17823

約数の個数: 48

約数和(自身を含む): 41048622720

約数和(自身を除く): 20867734816

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 1229, 2458, 4916, 9832, 16553, 19664, 33106, 38099, 39328, 66212, 76198, 132424, 152396, 264848, 304792, 513143, 529696, 609584, 1026286, 1219168, 2052572, 4105144, 8210288, 16420576, 20343637, 40687274, 81374548, 162749096, 325498192, 630652747, 650996384, 1261305494, 2522610988, 5045221976, 10090443952, 20180887904]

約数ペア:

[(1, 20180887904), (2, 10090443952), (4, 5045221976), (8, 2522610988), (16, 1261305494), (31, 650996384), (32, 630652747), (62, 325498192), (124, 162749096), (248, 81374548), (496, 40687274), (992, 20343637), (1229, 16420576), (2458, 8210288), (4916, 4105144), (9832, 2052572), (16553, 1219168), (19664, 1026286), (33106, 609584), (38099, 529696), (39328, 513143), (66212, 304792), (76198, 264848), (132424, 152396)]