20422380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 65691360

約数和(自身を除く): 45268980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 97, 110, 116, 121, 132, 145, 165, 174, 194, 220, 242, 290, 291, 319, 330, 348, 363, 388, 435, 484, 485, 580, 582, 605, 638, 660, 726, 870, 957, 970, 1067, 1164, 1210, 1276, 1452, 1455, 1595, 1740, 1815, 1914, 1940, 2134, 2420, 2813, 2910, 3190, 3201, 3509, 3630, 3828, 4268, 4785, 5335, 5626, 5820, 6380, 6402, 7018, 7260, 8439, 9570, 10527, 10670, 11252, 11737, 12804, 14036, 14065, 16005, 16878, 17545, 19140, 21054, 21340, 23474, 28130, 30943, 32010, 33756, 35090, 35211, 42108, 42195, 46948, 52635, 56260, 58685, 61886, 64020, 70180, 70422, 84390, 92829, 105270, 117370, 123772, 140844, 154715, 168780, 176055, 185658, 210540, 234740, 309430, 340373, 352110, 371316, 464145, 618860, 680746, 704220, 928290, 1021119, 1361492, 1701865, 1856580, 2042238, 3403730, 4084476, 5105595, 6807460, 10211190, 20422380]

約数ペア:

[(1, 20422380), (2, 10211190), (3, 6807460), (4, 5105595), (5, 4084476), (6, 3403730), (10, 2042238), (11, 1856580), (12, 1701865), (15, 1361492), (20, 1021119), (22, 928290), (29, 704220), (30, 680746), (33, 618860), (44, 464145), (55, 371316), (58, 352110), (60, 340373), (66, 309430), (87, 234740), (97, 210540), (110, 185658), (116, 176055), (121, 168780), (132, 154715), (145, 140844), (165, 123772), (174, 117370), (194, 105270), (220, 92829), (242, 84390), (290, 70422), (291, 70180), (319, 64020), (330, 61886), (348, 58685), (363, 56260), (388, 52635), (435, 46948), (484, 42195), (485, 42108), (580, 35211), (582, 35090), (605, 33756), (638, 32010), (660, 30943), (726, 28130), (870, 23474), (957, 21340), (970, 21054), (1067, 19140), (1164, 17545), (1210, 16878), (1276, 16005), (1452, 14065), (1455, 14036), (1595, 12804), (1740, 11737), (1815, 11252), (1914, 10670), (1940, 10527), (2134, 9570), (2420, 8439), (2813, 7260), (2910, 7018), (3190, 6402), (3201, 6380), (3509, 5820), (3630, 5626), (3828, 5335), (4268, 4785)]