20320632920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2502541}}^1$

素因数の和:2502588

約数の個数: 64

約数和(自身を含む): 54054907200

約数和(自身を除く): 33734274280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 2502541, 5005082, 10010164, 12512705, 17517787, 20020328, 25025410, 35035574, 50050820, 70071148, 72573689, 87588935, 100101640, 140142296, 145147378, 175177870, 290294756, 350355740, 362868445, 508015823, 580589512, 700711480, 725736890, 1016031646, 1451473780, 2032063292, 2540079115, 2902947560, 4064126584, 5080158230, 10160316460, 20320632920]

約数ペア:

[(1, 20320632920), (2, 10160316460), (4, 5080158230), (5, 4064126584), (7, 2902947560), (8, 2540079115), (10, 2032063292), (14, 1451473780), (20, 1016031646), (28, 725736890), (29, 700711480), (35, 580589512), (40, 508015823), (56, 362868445), (58, 350355740), (70, 290294756), (116, 175177870), (140, 145147378), (145, 140142296), (203, 100101640), (232, 87588935), (280, 72573689), (290, 70071148), (406, 50050820), (580, 35035574), (812, 25025410), (1015, 20020328), (1160, 17517787), (1624, 12512705), (2030, 10010164), (4060, 5005082), (8120, 2502541)]