20121825168

素因数分解:

$2^4\times 3^3\times {\mathrm{1193}}^1\times {\mathrm{39043}}^1$

素因数の和:40253

約数の個数: 80

約数和(自身を含む): 57806984640

約数和(自身を除く): 37685159472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1193, 2386, 3579, 4772, 7158, 9544, 10737, 14316, 19088, 21474, 28632, 32211, 39043, 42948, 57264, 64422, 78086, 85896, 117129, 128844, 156172, 171792, 234258, 257688, 312344, 351387, 468516, 515376, 624688, 702774, 937032, 1054161, 1405548, 1874064, 2108322, 2811096, 4216644, 5622192, 8433288, 16866576, 46578299, 93156598, 139734897, 186313196, 279469794, 372626392, 419204691, 558939588, 745252784, 838409382, 1117879176, 1257614073, 1676818764, 2235758352, 2515228146, 3353637528, 5030456292, 6707275056, 10060912584, 20121825168]

約数ペア:

[(1, 20121825168), (2, 10060912584), (3, 6707275056), (4, 5030456292), (6, 3353637528), (8, 2515228146), (9, 2235758352), (12, 1676818764), (16, 1257614073), (18, 1117879176), (24, 838409382), (27, 745252784), (36, 558939588), (48, 419204691), (54, 372626392), (72, 279469794), (108, 186313196), (144, 139734897), (216, 93156598), (432, 46578299), (1193, 16866576), (2386, 8433288), (3579, 5622192), (4772, 4216644), (7158, 2811096), (9544, 2108322), (10737, 1874064), (14316, 1405548), (19088, 1054161), (21474, 937032), (28632, 702774), (32211, 624688), (39043, 515376), (42948, 468516), (57264, 351387), (64422, 312344), (78086, 257688), (85896, 234258), (117129, 171792), (128844, 156172)]