20565405854

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1\times {\mathrm{8951}}^1$

素因数の和:14648

約数の個数: 32

約数和(自身を含む): 36481190400

約数和(自身を除く): 15915784546

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 5659, 8951, 11318, 17902, 39613, 62657, 79226, 125314, 164111, 259579, 328222, 519158, 1148777, 1817053, 2297554, 3634106, 50653709, 101307418, 354575963, 709151926, 1468957561, 2937915122, 10282702927, 20565405854]

約数ペア:

[(1, 20565405854), (2, 10282702927), (7, 2937915122), (14, 1468957561), (29, 709151926), (58, 354575963), (203, 101307418), (406, 50653709), (5659, 3634106), (8951, 2297554), (11318, 1817053), (17902, 1148777), (39613, 519158), (62657, 328222), (79226, 259579), (125314, 164111)]