20596989

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12949251

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1091, 2697, 3273, 6293, 7637, 18879, 22911, 31639, 33821, 94917, 101463, 221473, 236747, 664419, 710241, 980809, 2942427, 6865663, 20596989]

約数ペア:

[(1, 20596989), (3, 6865663), (7, 2942427), (21, 980809), (29, 710241), (31, 664419), (87, 236747), (93, 221473), (203, 101463), (217, 94917), (609, 33821), (651, 31639), (899, 22911), (1091, 18879), (2697, 7637), (3273, 6293)]