20565580828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{8663}}^1$

素因数の和:9394

約数の個数: 48

約数和(自身を含む): 39369770496

約数和(自身を除く): 18804189668

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 643, 923, 1286, 1846, 2572, 3692, 8359, 8663, 16718, 17326, 33436, 34652, 45653, 91306, 112619, 182612, 225238, 450476, 593489, 615073, 1186978, 1230146, 2373956, 2460292, 5570309, 7995949, 11140618, 15991898, 22281236, 31983796, 72414017, 144828034, 289656068, 395491939, 790983878, 1581967756, 5141395207, 10282790414, 20565580828]

約数ペア:

[(1, 20565580828), (2, 10282790414), (4, 5141395207), (13, 1581967756), (26, 790983878), (52, 395491939), (71, 289656068), (142, 144828034), (284, 72414017), (643, 31983796), (923, 22281236), (1286, 15991898), (1846, 11140618), (2572, 7995949), (3692, 5570309), (8359, 2460292), (8663, 2373956), (16718, 1230146), (17326, 1186978), (33436, 615073), (34652, 593489), (45653, 450476), (91306, 225238), (112619, 182612)]