20148765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 20977635

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 195, 203, 273, 377, 435, 455, 509, 609, 1015, 1131, 1365, 1527, 1885, 2545, 2639, 3045, 3563, 5655, 6617, 7635, 7917, 10689, 13195, 14761, 17815, 19851, 33085, 39585, 44283, 46319, 53445, 73805, 99255, 103327, 138957, 191893, 221415, 231595, 309981, 516635, 575679, 694785, 959465, 1343251, 1549905, 2878395, 4029753, 6716255, 20148765]

約数ペア:

[(1, 20148765), (3, 6716255), (5, 4029753), (7, 2878395), (13, 1549905), (15, 1343251), (21, 959465), (29, 694785), (35, 575679), (39, 516635), (65, 309981), (87, 231595), (91, 221415), (105, 191893), (145, 138957), (195, 103327), (203, 99255), (273, 73805), (377, 53445), (435, 46319), (455, 44283), (509, 39585), (609, 33085), (1015, 19851), (1131, 17815), (1365, 14761), (1527, 13195), (1885, 10689), (2545, 7917), (2639, 7635), (3045, 6617), (3563, 5655)]