20276776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 41164200

約数和(自身を除く): 20887424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 809, 964, 1618, 1928, 3133, 3236, 6266, 6472, 10517, 12532, 21034, 25064, 42068, 84136, 194969, 389938, 779876, 1559752, 2534597, 5069194, 10138388, 20276776]

約数ペア:

[(1, 20276776), (2, 10138388), (4, 5069194), (8, 2534597), (13, 1559752), (26, 779876), (52, 389938), (104, 194969), (241, 84136), (482, 42068), (809, 25064), (964, 21034), (1618, 12532), (1928, 10517), (3133, 6472), (3236, 6266)]