20484450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{929}}^1$

素因数の和:961

約数の個数: 108

約数和(自身を含む): 64089090

約数和(自身を除く): 43604640

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 929, 1050, 1225, 1470, 1575, 1858, 2205, 2450, 2787, 3150, 3675, 4410, 4645, 5574, 6503, 7350, 8361, 9290, 11025, 13006, 13935, 16722, 19509, 22050, 23225, 27870, 32515, 39018, 41805, 45521, 46450, 58527, 65030, 69675, 83610, 91042, 97545, 117054, 136563, 139350, 162575, 195090, 209025, 227605, 273126, 292635, 325150, 409689, 418050, 455210, 487725, 585270, 682815, 819378, 975450, 1138025, 1365630, 1463175, 2048445, 2276050, 2926350, 3414075, 4096890, 6828150, 10242225, 20484450]

約数ペア:

[(1, 20484450), (2, 10242225), (3, 6828150), (5, 4096890), (6, 3414075), (7, 2926350), (9, 2276050), (10, 2048445), (14, 1463175), (15, 1365630), (18, 1138025), (21, 975450), (25, 819378), (30, 682815), (35, 585270), (42, 487725), (45, 455210), (49, 418050), (50, 409689), (63, 325150), (70, 292635), (75, 273126), (90, 227605), (98, 209025), (105, 195090), (126, 162575), (147, 139350), (150, 136563), (175, 117054), (210, 97545), (225, 91042), (245, 83610), (294, 69675), (315, 65030), (350, 58527), (441, 46450), (450, 45521), (490, 41805), (525, 39018), (630, 32515), (735, 27870), (882, 23225), (929, 22050), (1050, 19509), (1225, 16722), (1470, 13935), (1575, 13006), (1858, 11025), (2205, 9290), (2450, 8361), (2787, 7350), (3150, 6503), (3675, 5574), (4410, 4645)]