20262075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 36009600

約数和(自身を除く): 15747525

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 241, 285, 295, 475, 723, 885, 1121, 1205, 1425, 1475, 3363, 3615, 4425, 4579, 5605, 6025, 13737, 14219, 16815, 18075, 22895, 28025, 42657, 68685, 71095, 84075, 114475, 213285, 270161, 343425, 355475, 810483, 1066425, 1350805, 4052415, 6754025, 20262075]

約数ペア:

[(1, 20262075), (3, 6754025), (5, 4052415), (15, 1350805), (19, 1066425), (25, 810483), (57, 355475), (59, 343425), (75, 270161), (95, 213285), (177, 114475), (241, 84075), (285, 71095), (295, 68685), (475, 42657), (723, 28025), (885, 22895), (1121, 18075), (1205, 16815), (1425, 14219), (1475, 13737), (3363, 6025), (3615, 5605), (4425, 4579)]