20008577876

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{46381}}^1$

素因数の和:46501

約数の個数: 72

約数和(自身を含む): 42638787072

約数和(自身を除く): 22630209196

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 71, 98, 124, 142, 196, 217, 284, 434, 497, 868, 994, 1519, 1988, 2201, 3038, 3479, 4402, 6076, 6958, 8804, 13916, 15407, 30814, 46381, 61628, 92762, 107849, 185524, 215698, 324667, 431396, 649334, 1298668, 1437811, 2272669, 2875622, 3293051, 4545338, 5751244, 6586102, 9090676, 10064677, 13172204, 20129354, 23051357, 40258708, 46102714, 70452739, 92205428, 102084581, 140905478, 161359499, 204169162, 281810956, 322718998, 408338324, 645437996, 714592067, 1429184134, 2858368268, 5002144469, 10004288938, 20008577876]

約数ペア:

[(1, 20008577876), (2, 10004288938), (4, 5002144469), (7, 2858368268), (14, 1429184134), (28, 714592067), (31, 645437996), (49, 408338324), (62, 322718998), (71, 281810956), (98, 204169162), (124, 161359499), (142, 140905478), (196, 102084581), (217, 92205428), (284, 70452739), (434, 46102714), (497, 40258708), (868, 23051357), (994, 20129354), (1519, 13172204), (1988, 10064677), (2201, 9090676), (3038, 6586102), (3479, 5751244), (4402, 4545338), (6076, 3293051), (6958, 2875622), (8804, 2272669), (13916, 1437811), (15407, 1298668), (30814, 649334), (46381, 431396), (61628, 324667), (92762, 215698), (107849, 185524)]