20408027475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{1913}}^1$

素因数の和:2197

約数の個数: 96

約数和(自身を含む): 37571238144

約数和(自身を除く): 17163210669

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 193, 201, 275, 335, 579, 737, 825, 965, 1005, 1675, 1913, 2123, 2211, 2895, 3685, 4825, 5025, 5739, 6369, 9565, 10615, 11055, 12931, 14475, 18425, 21043, 28695, 31845, 38793, 47825, 53075, 55275, 63129, 64655, 105215, 128171, 142241, 143475, 159225, 193965, 315645, 323275, 369209, 384513, 426723, 526075, 640855, 711205, 969825, 1107627, 1409881, 1578225, 1846045, 1922565, 2133615, 3204275, 3556025, 4061299, 4229643, 5538135, 7049405, 9230225, 9612825, 10668075, 12183897, 20306495, 21148215, 24737003, 27690675, 35247025, 60919485, 74211009, 101532475, 105741075, 123685015, 272107033, 304597425, 371055045, 618425075, 816321099, 1360535165, 1855275225, 4081605495, 6802675825, 20408027475]

約数ペア:

[(1, 20408027475), (3, 6802675825), (5, 4081605495), (11, 1855275225), (15, 1360535165), (25, 816321099), (33, 618425075), (55, 371055045), (67, 304597425), (75, 272107033), (165, 123685015), (193, 105741075), (201, 101532475), (275, 74211009), (335, 60919485), (579, 35247025), (737, 27690675), (825, 24737003), (965, 21148215), (1005, 20306495), (1675, 12183897), (1913, 10668075), (2123, 9612825), (2211, 9230225), (2895, 7049405), (3685, 5538135), (4825, 4229643), (5025, 4061299), (5739, 3556025), (6369, 3204275), (9565, 2133615), (10615, 1922565), (11055, 1846045), (12931, 1578225), (14475, 1409881), (18425, 1107627), (21043, 969825), (28695, 711205), (31845, 640855), (38793, 526075), (47825, 426723), (53075, 384513), (55275, 369209), (63129, 323275), (64655, 315645), (105215, 193965), (128171, 159225), (142241, 143475)]