20177658

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26996742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1439, 1558, 2337, 2878, 4317, 4674, 7011, 8634, 12951, 14022, 25902, 27341, 54682, 58999, 82023, 117998, 164046, 176997, 246069, 353994, 492138, 530991, 1061982, 1120981, 2241962, 3362943, 6725886, 10088829, 20177658]

約数ペア:

[(1, 20177658), (2, 10088829), (3, 6725886), (6, 3362943), (9, 2241962), (18, 1120981), (19, 1061982), (38, 530991), (41, 492138), (57, 353994), (82, 246069), (114, 176997), (123, 164046), (171, 117998), (246, 82023), (342, 58999), (369, 54682), (738, 27341), (779, 25902), (1439, 14022), (1558, 12951), (2337, 8634), (2878, 7011), (4317, 4674)]