20587527

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14951}}^1$

素因数の和:14980

約数の個数: 20

約数和(自身を含む): 32565456

約数和(自身を除く): 11977929

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14951, 44853, 134559, 254167, 403677, 762501, 1211031, 2287503, 6862509, 20587527]

約数ペア:

[(1, 20587527), (3, 6862509), (9, 2287503), (17, 1211031), (27, 762501), (51, 403677), (81, 254167), (153, 134559), (459, 44853), (1377, 14951)]