20873265

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4057}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 38956800

約数和(自身を除く): 18083535

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4057, 5145, 12171, 20285, 28399, 60855, 85197, 141995, 198793, 425985, 596379, 993965, 1391551, 2981895, 4174653, 6957755, 20873265]

約数ペア:

[(1, 20873265), (3, 6957755), (5, 4174653), (7, 2981895), (15, 1391551), (21, 993965), (35, 596379), (49, 425985), (105, 198793), (147, 141995), (245, 85197), (343, 60855), (735, 28399), (1029, 20285), (1715, 12171), (4057, 5145)]