20305250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 44658432

約数和(自身を除く): 24353182

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 205, 250, 283, 287, 350, 410, 566, 574, 875, 1025, 1415, 1435, 1750, 1981, 2050, 2830, 2870, 3962, 5125, 7075, 7175, 9905, 10250, 11603, 14150, 14350, 19810, 23206, 35375, 35875, 49525, 58015, 70750, 71750, 81221, 99050, 116030, 162442, 247625, 290075, 406105, 495250, 580150, 812210, 1450375, 2030525, 2900750, 4061050, 10152625, 20305250]

約数ペア:

[(1, 20305250), (2, 10152625), (5, 4061050), (7, 2900750), (10, 2030525), (14, 1450375), (25, 812210), (35, 580150), (41, 495250), (50, 406105), (70, 290075), (82, 247625), (125, 162442), (175, 116030), (205, 99050), (250, 81221), (283, 71750), (287, 70750), (350, 58015), (410, 49525), (566, 35875), (574, 35375), (875, 23206), (1025, 19810), (1415, 14350), (1435, 14150), (1750, 11603), (1981, 10250), (2050, 9905), (2830, 7175), (2870, 7075), (3962, 5125)]