20651963912

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{1439}}^1\times {\mathrm{17417}}^1$

素因数の和:18965

約数の個数: 32

約数和(自身を含む): 39127795200

約数和(自身を除く): 18475831288

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 1439, 2878, 5756, 11512, 17417, 34834, 69668, 139336, 148217, 296434, 592868, 1185736, 1793951, 3587902, 7175804, 14351608, 25063063, 50126126, 100252252, 200504504, 2581495489, 5162990978, 10325981956, 20651963912]

約数ペア:

[(1, 20651963912), (2, 10325981956), (4, 5162990978), (8, 2581495489), (103, 200504504), (206, 100252252), (412, 50126126), (824, 25063063), (1439, 14351608), (2878, 7175804), (5756, 3587902), (11512, 1793951), (17417, 1185736), (34834, 592868), (69668, 296434), (139336, 148217)]