20866703031

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{16363}}^1$

素因数の和:17092

約数の個数: 32

約数和(自身を含む): 31387461120

約数和(自身を除く): 10520758089

約数列:

[1, 3, 9, 27, 73, 219, 647, 657, 1941, 1971, 5823, 16363, 17469, 47231, 49089, 141693, 147267, 425079, 441801, 1194499, 1275237, 3583497, 10586861, 10750491, 31760583, 32251473, 95281749, 285845247, 772840853, 2318522559, 6955567677, 20866703031]

約数ペア:

[(1, 20866703031), (3, 6955567677), (9, 2318522559), (27, 772840853), (73, 285845247), (219, 95281749), (647, 32251473), (657, 31760583), (1941, 10750491), (1971, 10586861), (5823, 3583497), (16363, 1275237), (17469, 1194499), (47231, 441801), (49089, 425079), (141693, 147267)]