20253639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 13661241

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2207, 3059, 6621, 9177, 15449, 41933, 46347, 50761, 125799, 152283, 293531, 355327, 880593, 964459, 1065981, 2893377, 6751213, 20253639]

約数ペア:

[(1, 20253639), (3, 6751213), (7, 2893377), (19, 1065981), (21, 964459), (23, 880593), (57, 355327), (69, 293531), (133, 152283), (161, 125799), (399, 50761), (437, 46347), (483, 41933), (1311, 15449), (2207, 9177), (3059, 6621)]