20294055

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15551}}^1$

素因数の和:15591

約数の個数: 24

約数和(自身を含む): 36391680

約数和(自身を除く): 16097625

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15551, 46653, 77755, 139959, 233265, 450979, 699795, 1352937, 2254895, 4058811, 6764685, 20294055]

約数ペア:

[(1, 20294055), (3, 6764685), (5, 4058811), (9, 2254895), (15, 1352937), (29, 699795), (45, 450979), (87, 233265), (145, 139959), (261, 77755), (435, 46653), (1305, 15551)]