20492788352

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1$

素因数の和:1178

約数の個数: 128

約数和(自身を含む): 44086032000

約数和(自身を除く): 23593243648

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 128, 152, 173, 212, 304, 346, 424, 608, 692, 848, 919, 1007, 1216, 1384, 1696, 1838, 2014, 2432, 2768, 3287, 3392, 3676, 4028, 5536, 6574, 6784, 7352, 8056, 9169, 11072, 13148, 14704, 16112, 17461, 18338, 22144, 26296, 29408, 32224, 34922, 36676, 48707, 52592, 58816, 64448, 69844, 73352, 97414, 105184, 117632, 128896, 139688, 146704, 158987, 174211, 194828, 210368, 279376, 293408, 317974, 348422, 389656, 420736, 558752, 586816, 635948, 696844, 779312, 925433, 1117504, 1173632, 1271896, 1393688, 1558624, 1850866, 2235008, 2543792, 2787376, 3020753, 3117248, 3701732, 5087584, 5574752, 6041506, 6234496, 7403464, 8426311, 10175168, 11149504, 12083012, 14806928, 16852622, 20350336, 22299008, 24166024, 29613856, 33705244, 48332048, 59227712, 67410488, 96664096, 118455424, 134820976, 160099909, 193328192, 269641952, 320199818, 386656384, 539283904, 640399636, 1078567808, 1280799272, 2561598544, 5123197088, 10246394176, 20492788352]

約数ペア:

[(1, 20492788352), (2, 10246394176), (4, 5123197088), (8, 2561598544), (16, 1280799272), (19, 1078567808), (32, 640399636), (38, 539283904), (53, 386656384), (64, 320199818), (76, 269641952), (106, 193328192), (128, 160099909), (152, 134820976), (173, 118455424), (212, 96664096), (304, 67410488), (346, 59227712), (424, 48332048), (608, 33705244), (692, 29613856), (848, 24166024), (919, 22299008), (1007, 20350336), (1216, 16852622), (1384, 14806928), (1696, 12083012), (1838, 11149504), (2014, 10175168), (2432, 8426311), (2768, 7403464), (3287, 6234496), (3392, 6041506), (3676, 5574752), (4028, 5087584), (5536, 3701732), (6574, 3117248), (6784, 3020753), (7352, 2787376), (8056, 2543792), (9169, 2235008), (11072, 1850866), (13148, 1558624), (14704, 1393688), (16112, 1271896), (17461, 1173632), (18338, 1117504), (22144, 925433), (26296, 779312), (29408, 696844), (32224, 635948), (34922, 586816), (36676, 558752), (48707, 420736), (52592, 389656), (58816, 348422), (64448, 317974), (69844, 293408), (73352, 279376), (97414, 210368), (105184, 194828), (117632, 174211), (128896, 158987), (139688, 146704)]