19952968

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20959}}^1$

素因数の和:20989

約数の個数: 32

約数和(自身を含む): 45273600

約数和(自身を除く): 25320632

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 20959, 41918, 83836, 146713, 167672, 293426, 356303, 586852, 712606, 1173704, 1425212, 2494121, 2850424, 4988242, 9976484, 19952968]

約数ペア:

[(1, 19952968), (2, 9976484), (4, 4988242), (7, 2850424), (8, 2494121), (14, 1425212), (17, 1173704), (28, 712606), (34, 586852), (56, 356303), (68, 293426), (119, 167672), (136, 146713), (238, 83836), (476, 41918), (952, 20959)]