20652030

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43859970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 223, 245, 270, 294, 315, 343, 378, 441, 446, 490, 630, 669, 686, 735, 882, 945, 1029, 1115, 1323, 1338, 1470, 1561, 1715, 1890, 2007, 2058, 2205, 2230, 2646, 3087, 3122, 3345, 3430, 4014, 4410, 4683, 5145, 6021, 6174, 6615, 6690, 7805, 9261, 9366, 10035, 10290, 10927, 12042, 13230, 14049, 15435, 15610, 18522, 20070, 21854, 23415, 28098, 30105, 30870, 32781, 42147, 46305, 46830, 54635, 60210, 65562, 70245, 76489, 84294, 92610, 98343, 109270, 140490, 152978, 163905, 196686, 210735, 229467, 295029, 327810, 382445, 421470, 458934, 491715, 590058, 688401, 764890, 983430, 1147335, 1376802, 1475145, 2065203, 2294670, 2950290, 3442005, 4130406, 6884010, 10326015, 20652030]

約数ペア:

[(1, 20652030), (2, 10326015), (3, 6884010), (5, 4130406), (6, 3442005), (7, 2950290), (9, 2294670), (10, 2065203), (14, 1475145), (15, 1376802), (18, 1147335), (21, 983430), (27, 764890), (30, 688401), (35, 590058), (42, 491715), (45, 458934), (49, 421470), (54, 382445), (63, 327810), (70, 295029), (90, 229467), (98, 210735), (105, 196686), (126, 163905), (135, 152978), (147, 140490), (189, 109270), (210, 98343), (223, 92610), (245, 84294), (270, 76489), (294, 70245), (315, 65562), (343, 60210), (378, 54635), (441, 46830), (446, 46305), (490, 42147), (630, 32781), (669, 30870), (686, 30105), (735, 28098), (882, 23415), (945, 21854), (1029, 20070), (1115, 18522), (1323, 15610), (1338, 15435), (1470, 14049), (1561, 13230), (1715, 12042), (1890, 10927), (2007, 10290), (2058, 10035), (2205, 9366), (2230, 9261), (2646, 7805), (3087, 6690), (3122, 6615), (3345, 6174), (3430, 6021), (4014, 5145), (4410, 4683)]