20758049091

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{237509}}^1$

素因数の和:237617

約数の個数: 40

約数和(自身を含む): 33796722960

約数和(自身を除く): 13038673869

約数列:

[1, 3, 9, 13, 27, 39, 81, 83, 117, 249, 351, 747, 1053, 1079, 2241, 3237, 6723, 9711, 29133, 87399, 237509, 712527, 2137581, 3087617, 6412743, 9262851, 19238229, 19713247, 27788553, 59139741, 83365659, 177419223, 250096977, 256272211, 532257669, 768816633, 1596773007, 2306449899, 6919349697, 20758049091]

約数ペア:

[(1, 20758049091), (3, 6919349697), (9, 2306449899), (13, 1596773007), (27, 768816633), (39, 532257669), (81, 256272211), (83, 250096977), (117, 177419223), (249, 83365659), (351, 59139741), (747, 27788553), (1053, 19713247), (1079, 19238229), (2241, 9262851), (3237, 6412743), (6723, 3087617), (9711, 2137581), (29133, 712527), (87399, 237509)]