20144902912

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{180071}}^1$

素因数の和:180129

約数の個数: 72

約数和(自身を含む): 44168060160

約数和(自身を除く): 24023157248

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 437, 608, 736, 874, 1216, 1472, 1748, 2432, 2944, 3496, 4864, 5888, 6992, 13984, 27968, 55936, 111872, 180071, 360142, 720284, 1440568, 2881136, 3421349, 4141633, 5762272, 6842698, 8283266, 11524544, 13685396, 16566532, 23049088, 27370792, 33133064, 46098176, 54741584, 66266128, 78691027, 109483168, 132532256, 157382054, 218966336, 265064512, 314764108, 437932672, 530129024, 629528216, 875865344, 1060258048, 1259056432, 2518112864, 5036225728, 10072451456, 20144902912]

約数ペア:

[(1, 20144902912), (2, 10072451456), (4, 5036225728), (8, 2518112864), (16, 1259056432), (19, 1060258048), (23, 875865344), (32, 629528216), (38, 530129024), (46, 437932672), (64, 314764108), (76, 265064512), (92, 218966336), (128, 157382054), (152, 132532256), (184, 109483168), (256, 78691027), (304, 66266128), (368, 54741584), (437, 46098176), (608, 33133064), (736, 27370792), (874, 23049088), (1216, 16566532), (1472, 13685396), (1748, 11524544), (2432, 8283266), (2944, 6842698), (3496, 5762272), (4864, 4141633), (5888, 3421349), (6992, 2881136), (13984, 1440568), (27968, 720284), (55936, 360142), (111872, 180071)]