20512956795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{853}}^1\times {\mathrm{4441}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 34687471392

約数和(自身を除く): 14174514597

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 853, 1083, 1805, 2559, 4265, 4441, 5415, 12795, 13323, 16207, 22205, 48621, 66615, 81035, 84379, 243105, 253137, 307933, 421895, 923799, 1265685, 1539665, 1603201, 3788173, 4618995, 4809603, 8016005, 11364519, 18940865, 24048015, 56822595, 71975287, 215925861, 359876435, 1079629305, 1367530453, 4102591359, 6837652265, 20512956795]

約数ペア:

[(1, 20512956795), (3, 6837652265), (5, 4102591359), (15, 1367530453), (19, 1079629305), (57, 359876435), (95, 215925861), (285, 71975287), (361, 56822595), (853, 24048015), (1083, 18940865), (1805, 11364519), (2559, 8016005), (4265, 4809603), (4441, 4618995), (5415, 3788173), (12795, 1603201), (13323, 1539665), (16207, 1265685), (22205, 923799), (48621, 421895), (66615, 307933), (81035, 253137), (84379, 243105)]