20078047675

素因数分解:

$5^2\times 7^2\times {\mathrm{1571}}^1\times {\mathrm{10433}}^1$

素因数の和:12028

約数の個数: 36

約数和(自身を含む): 28982772216

約数和(自身を除く): 8904724541

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 1571, 7855, 10433, 10997, 39275, 52165, 54985, 73031, 76979, 260825, 274925, 365155, 384895, 511217, 1825775, 1924475, 2556085, 12780425, 16390243, 81951215, 114731701, 409756075, 573658505, 803121907, 2868292525, 4015609535, 20078047675]

約数ペア:

[(1, 20078047675), (5, 4015609535), (7, 2868292525), (25, 803121907), (35, 573658505), (49, 409756075), (175, 114731701), (245, 81951215), (1225, 16390243), (1571, 12780425), (7855, 2556085), (10433, 1924475), (10997, 1825775), (39275, 511217), (52165, 384895), (54985, 365155), (73031, 274925), (76979, 260825)]