20734947

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 32800000

約数和(自身を除く): 12065053

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 499, 513, 729, 1497, 1539, 2187, 4491, 4617, 9481, 13473, 13851, 28443, 40419, 41553, 85329, 121257, 255987, 363771, 767961, 1091313, 2303883, 6911649, 20734947]

約数ペア:

[(1, 20734947), (3, 6911649), (9, 2303883), (19, 1091313), (27, 767961), (57, 363771), (81, 255987), (171, 121257), (243, 85329), (499, 41553), (513, 40419), (729, 28443), (1497, 13851), (1539, 13473), (2187, 9481), (4491, 4617)]