20187780255

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227609}}^1$

素因数の和:227702

約数の個数: 48

約数和(自身を含む): 36785417760

約数和(自身を除く): 16597637505

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 243, 365, 405, 657, 1095, 1215, 1971, 3285, 5913, 9855, 17739, 29565, 88695, 227609, 682827, 1138045, 2048481, 3414135, 6145443, 10242405, 16615457, 18436329, 30727215, 49846371, 55308987, 83077285, 92181645, 149539113, 249231855, 276544935, 448617339, 747695565, 1345852017, 2243086695, 4037556051, 6729260085, 20187780255]

約数ペア:

[(1, 20187780255), (3, 6729260085), (5, 4037556051), (9, 2243086695), (15, 1345852017), (27, 747695565), (45, 448617339), (73, 276544935), (81, 249231855), (135, 149539113), (219, 92181645), (243, 83077285), (365, 55308987), (405, 49846371), (657, 30727215), (1095, 18436329), (1215, 16615457), (1971, 10242405), (3285, 6145443), (5913, 3414135), (9855, 2048481), (17739, 1138045), (29565, 682827), (88695, 227609)]