20403777438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{256981}}^1$

素因数の和:257401

約数の個数: 48

約数和(自身を含む): 48347565552

約数和(自身を除く): 27943788114

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 401, 802, 1203, 2406, 3609, 4411, 7218, 8822, 13233, 26466, 39699, 79398, 256981, 513962, 770943, 1541886, 2312829, 2826791, 4625658, 5653582, 8480373, 16960746, 25441119, 50882238, 103049381, 206098762, 309148143, 618296286, 927444429, 1133543191, 1854888858, 2267086382, 3400629573, 6801259146, 10201888719, 20403777438]

約数ペア:

[(1, 20403777438), (2, 10201888719), (3, 6801259146), (6, 3400629573), (9, 2267086382), (11, 1854888858), (18, 1133543191), (22, 927444429), (33, 618296286), (66, 309148143), (99, 206098762), (198, 103049381), (401, 50882238), (802, 25441119), (1203, 16960746), (2406, 8480373), (3609, 5653582), (4411, 4625658), (7218, 2826791), (8822, 2312829), (13233, 1541886), (26466, 770943), (39699, 513962), (79398, 256981)]