20691660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 43320372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 293, 321, 330, 428, 535, 586, 642, 660, 879, 1070, 1172, 1177, 1284, 1465, 1605, 1758, 2140, 2354, 2930, 3210, 3223, 3516, 3531, 4395, 4708, 5860, 5885, 6420, 6446, 7062, 8790, 9669, 11770, 12892, 14124, 16115, 17580, 17655, 19338, 23540, 31351, 32230, 35310, 38676, 48345, 62702, 64460, 70620, 94053, 96690, 125404, 156755, 188106, 193380, 313510, 344861, 376212, 470265, 627020, 689722, 940530, 1034583, 1379444, 1724305, 1881060, 2069166, 3448610, 4138332, 5172915, 6897220, 10345830, 20691660]

約数ペア:

[(1, 20691660), (2, 10345830), (3, 6897220), (4, 5172915), (5, 4138332), (6, 3448610), (10, 2069166), (11, 1881060), (12, 1724305), (15, 1379444), (20, 1034583), (22, 940530), (30, 689722), (33, 627020), (44, 470265), (55, 376212), (60, 344861), (66, 313510), (107, 193380), (110, 188106), (132, 156755), (165, 125404), (214, 96690), (220, 94053), (293, 70620), (321, 64460), (330, 62702), (428, 48345), (535, 38676), (586, 35310), (642, 32230), (660, 31351), (879, 23540), (1070, 19338), (1172, 17655), (1177, 17580), (1284, 16115), (1465, 14124), (1605, 12892), (1758, 11770), (2140, 9669), (2354, 8790), (2930, 7062), (3210, 6446), (3223, 6420), (3516, 5885), (3531, 5860), (4395, 4708)]