20392400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7283}}^1$

素因数の和:7308

約数の個数: 60

約数和(自身を含む): 55999392

約数和(自身を除く): 35606992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7283, 14566, 29132, 36415, 50981, 58264, 72830, 101962, 116528, 145660, 182075, 203924, 254905, 291320, 364150, 407848, 509810, 582640, 728300, 815696, 1019620, 1274525, 1456600, 2039240, 2549050, 2913200, 4078480, 5098100, 10196200, 20392400]

約数ペア:

[(1, 20392400), (2, 10196200), (4, 5098100), (5, 4078480), (7, 2913200), (8, 2549050), (10, 2039240), (14, 1456600), (16, 1274525), (20, 1019620), (25, 815696), (28, 728300), (35, 582640), (40, 509810), (50, 407848), (56, 364150), (70, 291320), (80, 254905), (100, 203924), (112, 182075), (140, 145660), (175, 116528), (200, 101962), (280, 72830), (350, 58264), (400, 50981), (560, 36415), (700, 29132), (1400, 14566), (2800, 7283)]