20665101780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{50957}}^1$

素因数の和:51726

約数の個数: 96

約数和(自身を含む): 64378298880

約数和(自身を除く): 43713197100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 751, 1502, 2253, 3004, 3755, 4506, 6759, 7510, 9012, 11265, 13518, 15020, 20277, 22530, 27036, 33795, 40554, 45060, 50957, 67590, 81108, 101385, 101914, 135180, 152871, 202770, 203828, 254785, 305742, 405540, 458613, 509570, 611484, 764355, 917226, 1019140, 1375839, 1528710, 1834452, 2293065, 2751678, 3057420, 4586130, 5503356, 6879195, 9172260, 13758390, 27516780, 38268707, 76537414, 114806121, 153074828, 191343535, 229612242, 344418363, 382687070, 459224484, 574030605, 688836726, 765374140, 1033255089, 1148061210, 1377673452, 1722091815, 2066510178, 2296122420, 3444183630, 4133020356, 5166275445, 6888367260, 10332550890, 20665101780]

約数ペア:

[(1, 20665101780), (2, 10332550890), (3, 6888367260), (4, 5166275445), (5, 4133020356), (6, 3444183630), (9, 2296122420), (10, 2066510178), (12, 1722091815), (15, 1377673452), (18, 1148061210), (20, 1033255089), (27, 765374140), (30, 688836726), (36, 574030605), (45, 459224484), (54, 382687070), (60, 344418363), (90, 229612242), (108, 191343535), (135, 153074828), (180, 114806121), (270, 76537414), (540, 38268707), (751, 27516780), (1502, 13758390), (2253, 9172260), (3004, 6879195), (3755, 5503356), (4506, 4586130), (6759, 3057420), (7510, 2751678), (9012, 2293065), (11265, 1834452), (13518, 1528710), (15020, 1375839), (20277, 1019140), (22530, 917226), (27036, 764355), (33795, 611484), (40554, 509570), (45060, 458613), (50957, 405540), (67590, 305742), (81108, 254785), (101385, 203828), (101914, 202770), (135180, 152871)]