20620710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 40965210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 53, 54, 55, 66, 90, 99, 106, 110, 131, 135, 159, 165, 198, 262, 265, 270, 297, 318, 330, 393, 477, 495, 530, 583, 594, 655, 786, 795, 954, 990, 1166, 1179, 1310, 1431, 1441, 1485, 1590, 1749, 1965, 2358, 2385, 2862, 2882, 2915, 2970, 3498, 3537, 3930, 4323, 4770, 5247, 5830, 5895, 6943, 7074, 7155, 7205, 8646, 8745, 10494, 11790, 12969, 13886, 14310, 14410, 15741, 17490, 17685, 20829, 21615, 25938, 26235, 31482, 34715, 35370, 38907, 41658, 43230, 52470, 62487, 64845, 69430, 76373, 77814, 78705, 104145, 124974, 129690, 152746, 157410, 187461, 194535, 208290, 229119, 312435, 374922, 381865, 389070, 458238, 624870, 687357, 763730, 937305, 1145595, 1374714, 1874610, 2062071, 2291190, 3436785, 4124142, 6873570, 10310355, 20620710]

約数ペア:

[(1, 20620710), (2, 10310355), (3, 6873570), (5, 4124142), (6, 3436785), (9, 2291190), (10, 2062071), (11, 1874610), (15, 1374714), (18, 1145595), (22, 937305), (27, 763730), (30, 687357), (33, 624870), (45, 458238), (53, 389070), (54, 381865), (55, 374922), (66, 312435), (90, 229119), (99, 208290), (106, 194535), (110, 187461), (131, 157410), (135, 152746), (159, 129690), (165, 124974), (198, 104145), (262, 78705), (265, 77814), (270, 76373), (297, 69430), (318, 64845), (330, 62487), (393, 52470), (477, 43230), (495, 41658), (530, 38907), (583, 35370), (594, 34715), (655, 31482), (786, 26235), (795, 25938), (954, 21615), (990, 20829), (1166, 17685), (1179, 17490), (1310, 15741), (1431, 14410), (1441, 14310), (1485, 13886), (1590, 12969), (1749, 11790), (1965, 10494), (2358, 8745), (2385, 8646), (2862, 7205), (2882, 7155), (2915, 7074), (2970, 6943), (3498, 5895), (3537, 5830), (3930, 5247), (4323, 4770)]