20494155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4283}}^1$

素因数の和:4331

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16519605

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4283, 4785, 12849, 21415, 47113, 64245, 124207, 141339, 235565, 372621, 621035, 706695, 1366277, 1863105, 4098831, 6831385, 20494155]

約数ペア:

[(1, 20494155), (3, 6831385), (5, 4098831), (11, 1863105), (15, 1366277), (29, 706695), (33, 621035), (55, 372621), (87, 235565), (145, 141339), (165, 124207), (319, 64245), (435, 47113), (957, 21415), (1595, 12849), (4283, 4785)]