20291215419

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1187}}^1\times {\mathrm{37243}}^1$

素因数の和:38456

約数の個数: 32

約数和(自身を含む): 31857027840

約数和(自身を除く): 11565812421

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1187, 3561, 10683, 20179, 32049, 37243, 60537, 111729, 181611, 335187, 544833, 633131, 1005561, 1899393, 5698179, 17094537, 44207441, 132622323, 397866969, 751526497, 1193600907, 2254579491, 6763738473, 20291215419]

約数ペア:

[(1, 20291215419), (3, 6763738473), (9, 2254579491), (17, 1193600907), (27, 751526497), (51, 397866969), (153, 132622323), (459, 44207441), (1187, 17094537), (3561, 5698179), (10683, 1899393), (20179, 1005561), (32049, 633131), (37243, 544833), (60537, 335187), (111729, 181611)]