20199402055

素因数分解:

$5^1\times 7^3\times {\mathrm{2741}}^1\times {\mathrm{4297}}^1$

素因数の和:7064

約数の個数: 32

約数和(自身を含む): 28284278400

約数和(自身を除く): 8084876345

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2741, 4297, 13705, 19187, 21485, 30079, 95935, 134309, 150395, 210553, 671545, 940163, 1052765, 1473871, 4700815, 7369355, 11778077, 58890385, 82446539, 412232695, 577125773, 2885628865, 4039880411, 20199402055]

約数ペア:

[(1, 20199402055), (5, 4039880411), (7, 2885628865), (35, 577125773), (49, 412232695), (245, 82446539), (343, 58890385), (1715, 11778077), (2741, 7369355), (4297, 4700815), (13705, 1473871), (19187, 1052765), (21485, 940163), (30079, 671545), (95935, 210553), (134309, 150395)]