20717507565

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8077001}}^1$

素因数の和:8077034

約数の個数: 32

約数和(自身を含む): 38769609600

約数和(自身を除く): 18052102035

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8077001, 24231003, 40385005, 72693009, 121155015, 153463019, 218079027, 363465045, 460389057, 767315095, 1090395135, 1381167171, 2301945285, 4143501513, 6905835855, 20717507565]

約数ペア:

[(1, 20717507565), (3, 6905835855), (5, 4143501513), (9, 2301945285), (15, 1381167171), (19, 1090395135), (27, 767315095), (45, 460389057), (57, 363465045), (95, 218079027), (135, 153463019), (171, 121155015), (285, 72693009), (513, 40385005), (855, 24231003), (2565, 8077001)]