20542929712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2137}}^1\times {\mathrm{19381}}^1$

素因数の和:21557

約数の個数: 40

約数和(自身を含む): 41107206272

約数和(自身を除く): 20564276560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2137, 4274, 8548, 17096, 19381, 34192, 38762, 66247, 77524, 132494, 155048, 264988, 310096, 529976, 600811, 1059952, 1201622, 2403244, 4806488, 9612976, 41417197, 82834394, 165668788, 331337576, 662675152, 1283933107, 2567866214, 5135732428, 10271464856, 20542929712]

約数ペア:

[(1, 20542929712), (2, 10271464856), (4, 5135732428), (8, 2567866214), (16, 1283933107), (31, 662675152), (62, 331337576), (124, 165668788), (248, 82834394), (496, 41417197), (2137, 9612976), (4274, 4806488), (8548, 2403244), (17096, 1201622), (19381, 1059952), (34192, 600811), (38762, 529976), (66247, 310096), (77524, 264988), (132494, 155048)]