20379240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8087}}^1$

素因数の和:8111

約数の個数: 96

約数和(自身を含む): 75703680

約数和(自身を除く): 55324440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8087, 16174, 24261, 32348, 40435, 48522, 56609, 64696, 72783, 80870, 97044, 113218, 121305, 145566, 161740, 169827, 194088, 226436, 242610, 283045, 291132, 323480, 339654, 363915, 452872, 485220, 509481, 566090, 582264, 679308, 727830, 849135, 970440, 1018962, 1132180, 1358616, 1455660, 1698270, 2037924, 2264360, 2547405, 2911320, 3396540, 4075848, 5094810, 6793080, 10189620, 20379240]

約数ペア:

[(1, 20379240), (2, 10189620), (3, 6793080), (4, 5094810), (5, 4075848), (6, 3396540), (7, 2911320), (8, 2547405), (9, 2264360), (10, 2037924), (12, 1698270), (14, 1455660), (15, 1358616), (18, 1132180), (20, 1018962), (21, 970440), (24, 849135), (28, 727830), (30, 679308), (35, 582264), (36, 566090), (40, 509481), (42, 485220), (45, 452872), (56, 363915), (60, 339654), (63, 323480), (70, 291132), (72, 283045), (84, 242610), (90, 226436), (105, 194088), (120, 169827), (126, 161740), (140, 145566), (168, 121305), (180, 113218), (210, 97044), (252, 80870), (280, 72783), (315, 64696), (360, 56609), (420, 48522), (504, 40435), (630, 32348), (840, 24261), (1260, 16174), (2520, 8087)]