20179983425

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{3347}}^1$

素因数の和:3758

約数の個数: 48

約数和(自身を含む): 28934433792

約数和(自身を除く): 8754450367

約数列:

[1, 5, 7, 25, 35, 131, 175, 263, 655, 917, 1315, 1841, 3275, 3347, 4585, 6575, 9205, 16735, 22925, 23429, 34453, 46025, 83675, 117145, 172265, 241171, 438457, 585725, 861325, 880261, 1205855, 2192285, 3069199, 4401305, 6029275, 6161827, 10961425, 15345995, 22006525, 30809135, 76729975, 115314191, 154045675, 576570955, 807199337, 2882854775, 4035996685, 20179983425]

約数ペア:

[(1, 20179983425), (5, 4035996685), (7, 2882854775), (25, 807199337), (35, 576570955), (131, 154045675), (175, 115314191), (263, 76729975), (655, 30809135), (917, 22006525), (1315, 15345995), (1841, 10961425), (3275, 6161827), (3347, 6029275), (4585, 4401305), (6575, 3069199), (9205, 2192285), (16735, 1205855), (22925, 880261), (23429, 861325), (34453, 585725), (46025, 438457), (83675, 241171), (117145, 172265)]