20060425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 32890752

約数和(自身を除く): 12830327

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 613, 935, 1309, 1925, 2975, 3065, 4291, 4675, 6545, 6743, 10421, 15325, 21455, 32725, 33715, 47201, 52105, 72947, 107275, 114631, 168575, 236005, 260525, 364735, 573155, 802417, 1180025, 1823675, 2865775, 4012085, 20060425]

約数ペア:

[(1, 20060425), (5, 4012085), (7, 2865775), (11, 1823675), (17, 1180025), (25, 802417), (35, 573155), (55, 364735), (77, 260525), (85, 236005), (119, 168575), (175, 114631), (187, 107275), (275, 72947), (385, 52105), (425, 47201), (595, 33715), (613, 32725), (935, 21455), (1309, 15325), (1925, 10421), (2975, 6743), (3065, 6545), (4291, 4675)]