20660847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 30101760

約数和(自身を除く): 9440913

約数列:

[1, 3, 19, 29, 57, 87, 431, 551, 841, 1293, 1653, 2523, 8189, 12499, 15979, 24567, 37497, 47937, 237481, 362471, 712443, 1087413, 6886949, 20660847]

約数ペア:

[(1, 20660847), (3, 6886949), (19, 1087413), (29, 712443), (57, 362471), (87, 237481), (431, 47937), (551, 37497), (841, 24567), (1293, 15979), (1653, 12499), (2523, 8189)]