20192895

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 36747216

約数和(自身を除く): 16554321

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 683, 1095, 1971, 2049, 3285, 3415, 5913, 6147, 9855, 10245, 18441, 29565, 30735, 49859, 55323, 92205, 149577, 249295, 276615, 448731, 747885, 1346193, 2243655, 4038579, 6730965, 20192895]

約数ペア:

[(1, 20192895), (3, 6730965), (5, 4038579), (9, 2243655), (15, 1346193), (27, 747885), (45, 448731), (73, 276615), (81, 249295), (135, 149577), (219, 92205), (365, 55323), (405, 49859), (657, 30735), (683, 29565), (1095, 18441), (1971, 10245), (2049, 9855), (3285, 6147), (3415, 5913)]