20199090906

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{49669}}^1$

素因数の和:50140

約数の個数: 64

約数和(自身を含む): 47635516800

約数和(自身を除く): 27436425894

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 443, 459, 886, 918, 1329, 2658, 3987, 7531, 7974, 11961, 15062, 22593, 23922, 45186, 49669, 67779, 99338, 135558, 149007, 203337, 298014, 406674, 447021, 844373, 894042, 1341063, 1688746, 2533119, 2682126, 5066238, 7599357, 15198714, 22003367, 22798071, 44006734, 45596142, 66010101, 132020202, 198030303, 374057239, 396060606, 594090909, 748114478, 1122171717, 1188181818, 2244343434, 3366515151, 6733030302, 10099545453, 20199090906]

約数ペア:

[(1, 20199090906), (2, 10099545453), (3, 6733030302), (6, 3366515151), (9, 2244343434), (17, 1188181818), (18, 1122171717), (27, 748114478), (34, 594090909), (51, 396060606), (54, 374057239), (102, 198030303), (153, 132020202), (306, 66010101), (443, 45596142), (459, 44006734), (886, 22798071), (918, 22003367), (1329, 15198714), (2658, 7599357), (3987, 5066238), (7531, 2682126), (7974, 2533119), (11961, 1688746), (15062, 1341063), (22593, 894042), (23922, 844373), (45186, 447021), (49669, 406674), (67779, 298014), (99338, 203337), (135558, 149007)]