20061475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 30355200

約数和(自身を除く): 10293725

約数列:

[1, 5, 7, 25, 29, 35, 59, 67, 145, 175, 203, 295, 335, 413, 469, 725, 1015, 1475, 1675, 1711, 1943, 2065, 2345, 3953, 5075, 8555, 9715, 10325, 11725, 11977, 13601, 19765, 27671, 42775, 48575, 59885, 68005, 98825, 114637, 138355, 299425, 340025, 573185, 691775, 802459, 2865925, 4012295, 20061475]

約数ペア:

[(1, 20061475), (5, 4012295), (7, 2865925), (25, 802459), (29, 691775), (35, 573185), (59, 340025), (67, 299425), (145, 138355), (175, 114637), (203, 98825), (295, 68005), (335, 59885), (413, 48575), (469, 42775), (725, 27671), (1015, 19765), (1475, 13601), (1675, 11977), (1711, 11725), (1943, 10325), (2065, 9715), (2345, 8555), (3953, 5075)]