20173793675

素因数分解:

$5^2\times 7^3\times {\mathrm{131}}^1\times {\mathrm{17959}}^1$

素因数の和:18121

約数の個数: 48

約数和(自身を含む): 29396928000

約数和(自身を除く): 9223134325

約数列:

[1, 5, 7, 25, 35, 49, 131, 175, 245, 343, 655, 917, 1225, 1715, 3275, 4585, 6419, 8575, 17959, 22925, 32095, 44933, 89795, 125713, 160475, 224665, 448975, 628565, 879991, 1123325, 2352629, 3142825, 4399955, 6159937, 11763145, 16468403, 21999775, 30799685, 58815725, 82342015, 115278821, 153998425, 411710075, 576394105, 806951747, 2881970525, 4034758735, 20173793675]

約数ペア:

[(1, 20173793675), (5, 4034758735), (7, 2881970525), (25, 806951747), (35, 576394105), (49, 411710075), (131, 153998425), (175, 115278821), (245, 82342015), (343, 58815725), (655, 30799685), (917, 21999775), (1225, 16468403), (1715, 11763145), (3275, 6159937), (4585, 4399955), (6419, 3142825), (8575, 2352629), (17959, 1123325), (22925, 879991), (32095, 628565), (44933, 448975), (89795, 224665), (125713, 160475)]