20199078725

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{5107}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 29049890688

約数和(自身を除く): 8850811963

約数列:

[1, 5, 7, 25, 35, 97, 175, 233, 485, 679, 1165, 1631, 2425, 3395, 5107, 5825, 8155, 16975, 22601, 25535, 35749, 40775, 113005, 127675, 158207, 178745, 495379, 565025, 791035, 893725, 1189931, 2476895, 3467653, 3955175, 5949655, 8329517, 12384475, 17338265, 29748275, 41647585, 86691325, 115423307, 208237925, 577116535, 807963149, 2885582675, 4039815745, 20199078725]

約数ペア:

[(1, 20199078725), (5, 4039815745), (7, 2885582675), (25, 807963149), (35, 577116535), (97, 208237925), (175, 115423307), (233, 86691325), (485, 41647585), (679, 29748275), (1165, 17338265), (1631, 12384475), (2425, 8329517), (3395, 5949655), (5107, 3955175), (5825, 3467653), (8155, 2476895), (16975, 1189931), (22601, 893725), (25535, 791035), (35749, 565025), (40775, 495379), (113005, 178745), (127675, 158207)]