20120648975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263101}}^1$

素因数の和:263160

約数の個数: 48

約数和(自身を含む): 31319662080

約数和(自身を除く): 11199013105

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 133, 161, 175, 437, 475, 575, 665, 805, 2185, 3059, 3325, 4025, 10925, 15295, 76475, 263101, 1315505, 1841707, 4998919, 6051323, 6577525, 9208535, 24994595, 30256615, 34992433, 42359261, 46042675, 114975137, 124972975, 151283075, 174962165, 211796305, 574875685, 804825959, 874810825, 1058981525, 2874378425, 4024129795, 20120648975]

約数ペア:

[(1, 20120648975), (5, 4024129795), (7, 2874378425), (19, 1058981525), (23, 874810825), (25, 804825959), (35, 574875685), (95, 211796305), (115, 174962165), (133, 151283075), (161, 124972975), (175, 114975137), (437, 46042675), (475, 42359261), (575, 34992433), (665, 30256615), (805, 24994595), (2185, 9208535), (3059, 6577525), (3325, 6051323), (4025, 4998919), (10925, 1841707), (15295, 1315505), (76475, 263101)]