20199443775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2263243}}^1$

素因数の和:2263280

約数の個数: 48

約数和(自身を含む): 40412484864

約数和(自身を除く): 20213041089

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2975, 8925, 2263243, 6789729, 11316215, 15842701, 33948645, 38475131, 47528103, 56581075, 79213505, 115425393, 169743225, 192375655, 237640515, 269325917, 396067525, 577126965, 807977751, 961878275, 1188202575, 1346629585, 2885634825, 4039888755, 6733147925, 20199443775]

約数ペア:

[(1, 20199443775), (3, 6733147925), (5, 4039888755), (7, 2885634825), (15, 1346629585), (17, 1188202575), (21, 961878275), (25, 807977751), (35, 577126965), (51, 396067525), (75, 269325917), (85, 237640515), (105, 192375655), (119, 169743225), (175, 115425393), (255, 79213505), (357, 56581075), (425, 47528103), (525, 38475131), (595, 33948645), (1275, 15842701), (1785, 11316215), (2975, 6789729), (8925, 2263243)]