20963558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 39460608

約数和(自身を除く): 18497050

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 691, 1379, 1382, 2167, 2758, 4334, 4837, 7601, 9674, 15169, 15202, 30338, 53207, 106414, 136127, 272254, 952889, 1497397, 1905778, 2994794, 10481779, 20963558]

約数ペア:

[(1, 20963558), (2, 10481779), (7, 2994794), (11, 1905778), (14, 1497397), (22, 952889), (77, 272254), (154, 136127), (197, 106414), (394, 53207), (691, 30338), (1379, 15202), (1382, 15169), (2167, 9674), (2758, 7601), (4334, 4837)]