20208172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15681

約数の個数: 24

約数和(自身を含む): 39417840

約数和(自身を除く): 19209668

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15641, 31282, 62564, 265897, 297179, 531794, 594358, 1063588, 1188716, 5052043, 10104086, 20208172]

約数ペア:

[(1, 20208172), (2, 10104086), (4, 5052043), (17, 1188716), (19, 1063588), (34, 594358), (38, 531794), (68, 297179), (76, 265897), (323, 62564), (646, 31282), (1292, 15641)]