20161938354

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{318907}}^1$

素因数の和:319210

約数の個数: 32

約数和(自身を含む): 41468245056

約数和(自身を除く): 21306306702

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 257, 514, 771, 1542, 10537, 21074, 31611, 63222, 318907, 637814, 956721, 1913442, 13075187, 26150374, 39225561, 78451122, 81959099, 163918198, 245877297, 491754594, 3360323059, 6720646118, 10080969177, 20161938354]

約数ペア:

[(1, 20161938354), (2, 10080969177), (3, 6720646118), (6, 3360323059), (41, 491754594), (82, 245877297), (123, 163918198), (246, 81959099), (257, 78451122), (514, 39225561), (771, 26150374), (1542, 13075187), (10537, 1913442), (21074, 956721), (31611, 637814), (63222, 318907)]